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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
The presence of ozone in the stratosphere is responsible for |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/checking-914736" style="font-weight:bold;" target="_blank" title="Click to know more about CHECKING">CHECKING</a> the penetration of <a href="https://interviewquestions.tuteehub.com/tag/ultraviolet-1435871" style="font-weight:bold;" target="_blank" title="Click to know more about ULTRAVIOLET">ULTRAVIOLET</a> rays to the earth</p><br/><br/><p>Ozone in the stratosphere protects us from the Sun's harmful ultraviolet rays. However, ozone in the <a href="https://interviewquestions.tuteehub.com/tag/troposphere-713207" style="font-weight:bold;" target="_blank" title="Click to know more about TROPOSPHERE">TROPOSPHERE</a>, closer to Earth's surface, is a <a href="https://interviewquestions.tuteehub.com/tag/pollutant-1158344" style="font-weight:bold;" target="_blank" title="Click to know more about POLLUTANT">POLLUTANT</a> and hazardous to our health.</p></body></html> | |
| 52. |
In silvery paints, the main constituent present is |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/aluminium-858823" style="font-weight:bold;" target="_blank" title="Click to know more about ALUMINIUM">ALUMINIUM</a> <a href="https://interviewquestions.tuteehub.com/tag/powder-603608" style="font-weight:bold;" target="_blank" title="Click to know more about POWDER">POWDER</a></p><br/><br/><p>In <a href="https://interviewquestions.tuteehub.com/tag/silvery-1207886" style="font-weight:bold;" target="_blank" title="Click to know more about SILVERY">SILVERY</a> <a href="https://interviewquestions.tuteehub.com/tag/paints-1145720" style="font-weight:bold;" target="_blank" title="Click to know more about PAINTS">PAINTS</a>, the main <a href="https://interviewquestions.tuteehub.com/tag/constituent-930772" style="font-weight:bold;" target="_blank" title="Click to know more about CONSTITUENT">CONSTITUENT</a> is aluminium powder.</p></body></html> | |
| 53. |
The items amenable to detection by soft x-rays are |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/genuine-468124" style="font-weight:bold;" target="_blank" title="Click to know more about GENUINE">GENUINE</a> coins from <a href="https://interviewquestions.tuteehub.com/tag/counterfeit-426879" style="font-weight:bold;" target="_blank" title="Click to know more about COUNTERFEIT">COUNTERFEIT</a> coins</p><br/><br/><p>The items <a href="https://interviewquestions.tuteehub.com/tag/amenable-363075" style="font-weight:bold;" target="_blank" title="Click to know more about AMENABLE">AMENABLE</a> to <a href="https://interviewquestions.tuteehub.com/tag/detection-949838" style="font-weight:bold;" target="_blank" title="Click to know more about DETECTION">DETECTION</a> by <a href="https://interviewquestions.tuteehub.com/tag/soft-631843" style="font-weight:bold;" target="_blank" title="Click to know more about SOFT">SOFT</a> x-rays are genuine coins from counterfeit coins.</p></body></html> | |
| 54. |
The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/silver-644119" style="font-weight:bold;" target="_blank" title="Click to know more about SILVER">SILVER</a> Iodide</p><br/><br/><p>The most common <a href="https://interviewquestions.tuteehub.com/tag/chemicals-915059" style="font-weight:bold;" target="_blank" title="Click to know more about CHEMICALS">CHEMICALS</a> used for cloud seeding include silver iodide, potassium iodide and dry ice (solid carbon dioxide). Liquid <a href="https://interviewquestions.tuteehub.com/tag/propane-1169790" style="font-weight:bold;" target="_blank" title="Click to know more about PROPANE">PROPANE</a>, which <a href="https://interviewquestions.tuteehub.com/tag/expands-2076032" style="font-weight:bold;" target="_blank" title="Click to know more about EXPANDS">EXPANDS</a> into a gas, has also been used.</p></body></html> | |
| 55. |
Charcoal is used in water treatment as a/an |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/adsorbent-850466" style="font-weight:bold;" target="_blank" title="Click to know more about ADSORBENT">ADSORBENT</a></p><br/><br/><p>Charcoal is <a href="https://interviewquestions.tuteehub.com/tag/used-2318798" style="font-weight:bold;" target="_blank" title="Click to know more about USED">USED</a> in <a href="https://interviewquestions.tuteehub.com/tag/water-1449333" style="font-weight:bold;" target="_blank" title="Click to know more about WATER">WATER</a> <a href="https://interviewquestions.tuteehub.com/tag/treatment-712503" style="font-weight:bold;" target="_blank" title="Click to know more about TREATMENT">TREATMENT</a> as adsorbent.</p></body></html> | |
| 56. |
Galvanization is the : |
| Answer» <html><body><p> Deposition of zinc on <a href="https://interviewquestions.tuteehub.com/tag/iron-1051344" style="font-weight:bold;" target="_blank" title="Click to know more about IRON">IRON</a></p><br/><br/><p>Galvanisation or galvanization (or galvanizing as it is most commonly called) is the <a href="https://interviewquestions.tuteehub.com/tag/process-11618" style="font-weight:bold;" target="_blank" title="Click to know more about PROCESS">PROCESS</a> of applying a protective zinc coating to iron or steel, to prevent rusting. The most <a href="https://interviewquestions.tuteehub.com/tag/common-923599" style="font-weight:bold;" target="_blank" title="Click to know more about COMMON">COMMON</a> method is <a href="https://interviewquestions.tuteehub.com/tag/hot-1029680" style="font-weight:bold;" target="_blank" title="Click to know more about HOT">HOT</a> dip galvanizing, in which steel sections are submerged in a bath of molten zinc.</p></body></html> | |
| 57. |
The new strain of bacteria produced by biotechnology in alcohol industry is |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/pseudomonas-607965" style="font-weight:bold;" target="_blank" title="Click to know more about PSEUDOMONAS">PSEUDOMONAS</a> putida</p><br/><br/><p>The new <a href="https://interviewquestions.tuteehub.com/tag/strain-17653" style="font-weight:bold;" target="_blank" title="Click to know more about STRAIN">STRAIN</a> of <a href="https://interviewquestions.tuteehub.com/tag/bacteria-16728" style="font-weight:bold;" target="_blank" title="Click to know more about BACTERIA">BACTERIA</a> produced by biotechnology in alcohol industry is Pseudomonas putida.</p></body></html> | |
| 58. |
One property of ammonia is |
| Answer» <html><body><p> Its aqueous solution turns red litmus blue</p><br/><br/><p>The main <a href="https://interviewquestions.tuteehub.com/tag/use-1441041" style="font-weight:bold;" target="_blank" title="Click to know more about USE">USE</a> of litmus is to test whether a solution is <a href="https://interviewquestions.tuteehub.com/tag/acidic-847601" style="font-weight:bold;" target="_blank" title="Click to know more about ACIDIC">ACIDIC</a> or basic. For instance, ammonia <a href="https://interviewquestions.tuteehub.com/tag/gas-1003521" style="font-weight:bold;" target="_blank" title="Click to know more about GAS">GAS</a>, which is <a href="https://interviewquestions.tuteehub.com/tag/alkaline-371462" style="font-weight:bold;" target="_blank" title="Click to know more about ALKALINE">ALKALINE</a>, <a href="https://interviewquestions.tuteehub.com/tag/colours-922482" style="font-weight:bold;" target="_blank" title="Click to know more about COLOURS">COLOURS</a> the red litmus paper blue.</p></body></html> | |
| 59. |
Ultra purification of a metal is done by : |
| Answer» <html><body><p> Zone melting</p><br/><br/><p>When metals are required in a ultra pure state, the zone refining <a href="https://interviewquestions.tuteehub.com/tag/method-559432" style="font-weight:bold;" target="_blank" title="Click to know more about METHOD">METHOD</a> is <a href="https://interviewquestions.tuteehub.com/tag/used-2318798" style="font-weight:bold;" target="_blank" title="Click to know more about USED">USED</a>. The principle-employed states that the impurities, which <a href="https://interviewquestions.tuteehub.com/tag/lower-1080637" style="font-weight:bold;" target="_blank" title="Click to know more about LOWER">LOWER</a> the melting point of a <a href="https://interviewquestions.tuteehub.com/tag/metal-1094457" style="font-weight:bold;" target="_blank" title="Click to know more about METAL">METAL</a> remain preferentially dissolved in the liquid phase and purer metal will emerge in the solid phase.</p></body></html> | |
| 60. |
Nucleus of an atom consists of. |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/proton-1170983" style="font-weight:bold;" target="_blank" title="Click to know more about PROTON">PROTON</a> and Neutron</p><br/><br/><p>The nucleus is a collection of particles called <a href="https://interviewquestions.tuteehub.com/tag/protons-1171004" style="font-weight:bold;" target="_blank" title="Click to know more about PROTONS">PROTONS</a>, which are positively charged, and neutrons, which are <a href="https://interviewquestions.tuteehub.com/tag/electrically-7381673" style="font-weight:bold;" target="_blank" title="Click to know more about ELECTRICALLY">ELECTRICALLY</a> <a href="https://interviewquestions.tuteehub.com/tag/neutral-1114358" style="font-weight:bold;" target="_blank" title="Click to know more about NEUTRAL">NEUTRAL</a>.</p></body></html> | |
| 61. |
Assertion (A) : Synthetic detergents can lather when in hard water.Reason (R) : Synthetic detergents form soluble calcium and magnesium salts with hard water. |
| Answer» <html><body><p> Both A and <a href="https://interviewquestions.tuteehub.com/tag/r-611811" style="font-weight:bold;" target="_blank" title="Click to know more about R">R</a> is <a href="https://interviewquestions.tuteehub.com/tag/true-713260" style="font-weight:bold;" target="_blank" title="Click to know more about TRUE">TRUE</a> and R is the <a href="https://interviewquestions.tuteehub.com/tag/correct-409949" style="font-weight:bold;" target="_blank" title="Click to know more about CORRECT">CORRECT</a> <a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a> of A</p><br/><br/><p>Both A and R is true and R is the correct explanation of A.</p></body></html> | |
| 62. |
Which amidst the following is not a gem stone ? |
| Answer» <html><body><p> Cat's-eye</p><br/><br/><p>A gemstone or gem (<a href="https://interviewquestions.tuteehub.com/tag/also-373387" style="font-weight:bold;" target="_blank" title="Click to know more about ALSO">ALSO</a> called a precious or semiprecious stone, a fine gem, or jewel) is a piece of mineral, which, in cut and polished form, is used to make jewelry or other adornments. However certain rocks (such as lapis lazuli) and organic materials (such as amber or jet) are not minerals, but are still used for jewelry, and are <a href="https://interviewquestions.tuteehub.com/tag/therefore-706901" style="font-weight:bold;" target="_blank" title="Click to know more about THEREFORE">THEREFORE</a> often considered to be <a href="https://interviewquestions.tuteehub.com/tag/gemstones-1004246" style="font-weight:bold;" target="_blank" title="Click to know more about GEMSTONES">GEMSTONES</a> as well. Most gemstones are hard, but some soft minerals are used in jewelry because of their luster or other physical properties that have aesthetic <a href="https://interviewquestions.tuteehub.com/tag/value-1442530" style="font-weight:bold;" target="_blank" title="Click to know more about VALUE">VALUE</a>. Topaz, Opal and Pearl are gemstones but Cat’s-eye is not a gem stone.</p></body></html> | |
| 63. |
The deterioration of a metal by an electrochemical process is commonly termed as |
| Answer» <html><body><p> Corrosion</p><br/><br/><p>Corrosion can be <a href="https://interviewquestions.tuteehub.com/tag/defined-947013" style="font-weight:bold;" target="_blank" title="Click to know more about DEFINED">DEFINED</a> as the <a href="https://interviewquestions.tuteehub.com/tag/deterioration-949878" style="font-weight:bold;" target="_blank" title="Click to know more about DETERIORATION">DETERIORATION</a> of <a href="https://interviewquestions.tuteehub.com/tag/materials-1089380" style="font-weight:bold;" target="_blank" title="Click to know more about MATERIALS">MATERIALS</a> by <a href="https://interviewquestions.tuteehub.com/tag/chemical-914796" style="font-weight:bold;" target="_blank" title="Click to know more about CHEMICAL">CHEMICAL</a> <a href="https://interviewquestions.tuteehub.com/tag/processes-21463" style="font-weight:bold;" target="_blank" title="Click to know more about PROCESSES">PROCESSES</a>.</p></body></html> | |
| 64. |
The main use of salt in the diet is to |
| Answer» <html><body><p> produce in <a href="https://interviewquestions.tuteehub.com/tag/small-1212368" style="font-weight:bold;" target="_blank" title="Click to know more about SMALL">SMALL</a> amounts the hydrochloric <a href="https://interviewquestions.tuteehub.com/tag/acid-847491" style="font-weight:bold;" target="_blank" title="Click to know more about ACID">ACID</a> <a href="https://interviewquestions.tuteehub.com/tag/required-1185621" style="font-weight:bold;" target="_blank" title="Click to know more about REQUIRED">REQUIRED</a> for the digestion of <a href="https://interviewquestions.tuteehub.com/tag/food-463384" style="font-weight:bold;" target="_blank" title="Click to know more about FOOD">FOOD</a></p><br/><br/><p>The main use of <a href="https://interviewquestions.tuteehub.com/tag/salt-1193804" style="font-weight:bold;" target="_blank" title="Click to know more about SALT">SALT</a> in the diet is to produce in small amounts the hydrochloric acid required for the digestion of food.</p></body></html> | |
| 65. |
The major constituent of air is |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/nitrogen-1118291" style="font-weight:bold;" target="_blank" title="Click to know more about NITROGEN">NITROGEN</a></p><br/><br/><p>Below a height of about 86 kilometers, the three main gaseous elements, which together account for about 99.9% of the total atmosphere, <a href="https://interviewquestions.tuteehub.com/tag/exist-979486" style="font-weight:bold;" target="_blank" title="Click to know more about EXIST">EXIST</a> in essentially constant proportion to the total: nitrogen <a href="https://interviewquestions.tuteehub.com/tag/comprises-927304" style="font-weight:bold;" target="_blank" title="Click to know more about COMPRISES">COMPRISES</a> 78% of air by volume, <a href="https://interviewquestions.tuteehub.com/tag/oxygen-1144542" style="font-weight:bold;" target="_blank" title="Click to know more about OXYGEN">OXYGEN</a> comprises 21% of air by volume, and argon comprises <a href="https://interviewquestions.tuteehub.com/tag/another-876628" style="font-weight:bold;" target="_blank" title="Click to know more about ANOTHER">ANOTHER</a> 0.9%.</p></body></html> | |
| 66. |
Sullage water is – |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/waste-1449179" style="font-weight:bold;" target="_blank" title="Click to know more about WASTE">WASTE</a> water released from kitchen</p><br/><br/><p>Sullage is domestic wastewater other than that which comes from the toilet. It results from food <a href="https://interviewquestions.tuteehub.com/tag/preparation-1163590" style="font-weight:bold;" target="_blank" title="Click to know more about PREPARATION">PREPARATION</a>, <a href="https://interviewquestions.tuteehub.com/tag/personal-590834" style="font-weight:bold;" target="_blank" title="Click to know more about PERSONAL">PERSONAL</a> <a href="https://interviewquestions.tuteehub.com/tag/washing-733498" style="font-weight:bold;" target="_blank" title="Click to know more about WASHING">WASHING</a>, and washing of cooking and eating utensils and clothes. It is also called greywater (to distinguish it from blackwater which describes wastes containing human excrete).</p></body></html> | |
| 67. |
Mixture can be |
| Answer» <html><body><p> Both A and B</p><br/><br/><p>Mixture can be <a href="https://interviewquestions.tuteehub.com/tag/homogeneous-1028736" style="font-weight:bold;" target="_blank" title="Click to know more about HOMOGENEOUS">HOMOGENEOUS</a> and <a href="https://interviewquestions.tuteehub.com/tag/heterogeneous-1019789" style="font-weight:bold;" target="_blank" title="Click to know more about HETEROGENEOUS">HETEROGENEOUS</a>.</p></body></html> | |
| 68. |
Which one of the following is extensively used for sterilizing water ? |
| Answer» <html><body><p> Bleaching powder</p><br/><br/><p>Bleaching powder is extensively used in sterilizing water. Calcium hypochlorite is a chemical compound with formula Ca(<a href="https://interviewquestions.tuteehub.com/tag/ocl-583082" style="font-weight:bold;" target="_blank" title="Click to know more about OCL">OCL</a>)<sub><a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a></sub>. It is widely used for water <a href="https://interviewquestions.tuteehub.com/tag/treatment-712503" style="font-weight:bold;" target="_blank" title="Click to know more about TREATMENT">TREATMENT</a> and as a bleaching agent (bleaching powder). This chemical is considered to be relatively stable and has greater available chlorine than sodium hypochlorite (liquid bleach). Calcium hypochlorite is a yellow white solid which has a strong <a href="https://interviewquestions.tuteehub.com/tag/smell-1213960" style="font-weight:bold;" target="_blank" title="Click to know more about SMELL">SMELL</a> of chlorine. It is not highly soluble in water, and is more preferably used in soft to medium-hard water. It has two forms: a dry form and a hydrated form. The hydrated form is <a href="https://interviewquestions.tuteehub.com/tag/safer-1193239" style="font-weight:bold;" target="_blank" title="Click to know more about SAFER">SAFER</a> to handle.</p></body></html> | |
| 69. |
What is the most commonly used substance in fluorescent tubes? |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/mercury-558950" style="font-weight:bold;" target="_blank" title="Click to know more about MERCURY">MERCURY</a> <a href="https://interviewquestions.tuteehub.com/tag/vapour-1442886" style="font-weight:bold;" target="_blank" title="Click to know more about VAPOUR">VAPOUR</a> and argon</p><br/><br/><p>Mercury vapour and argon are the most commonly <a href="https://interviewquestions.tuteehub.com/tag/used-2318798" style="font-weight:bold;" target="_blank" title="Click to know more about USED">USED</a> substance in fluorescent <a href="https://interviewquestions.tuteehub.com/tag/tubes-1428682" style="font-weight:bold;" target="_blank" title="Click to know more about TUBES">TUBES</a>.</p></body></html> | |
| 70. |
Which one of the following is used for dating very old objects of archaeological importance? |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/carbon-16249" style="font-weight:bold;" target="_blank" title="Click to know more about CARBON">CARBON</a>-14</p><br/><br/><p>Radiocarbon dating (usually referred to as simply carbon dating) is a radiometric dating method that uses the naturally occurring radioisotope carbon-14 (14C) to estimate the age of carbon-bearing materials up to about 58,000 to 62,000 years. After plants <a href="https://interviewquestions.tuteehub.com/tag/die-951171" style="font-weight:bold;" target="_blank" title="Click to know more about DIE">DIE</a> or they are consumed by other organisms (for example, by humans or other <a href="https://interviewquestions.tuteehub.com/tag/animals-875924" style="font-weight:bold;" target="_blank" title="Click to know more about ANIMALS">ANIMALS</a>), the incorporation of all carbon isotopes, including 14C, stops. Thereafter, the concentration (fraction) of 14C declines at a fixed exponential rate due to the <a href="https://interviewquestions.tuteehub.com/tag/radioactive-2970069" style="font-weight:bold;" target="_blank" title="Click to know more about RADIOACTIVE">RADIOACTIVE</a> decay of 14C.</p></body></html> | |
| 71. |
Periodic table contains how many periods |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/7-332378" style="font-weight:bold;" target="_blank" title="Click to know more about 7">7</a></p><br/><br/><p>Periodic table <a href="https://interviewquestions.tuteehub.com/tag/contains-11473" style="font-weight:bold;" target="_blank" title="Click to know more about CONTAINS">CONTAINS</a> 7 <a href="https://interviewquestions.tuteehub.com/tag/periods-1151203" style="font-weight:bold;" target="_blank" title="Click to know more about PERIODS">PERIODS</a>.</p></body></html> | |
| 72. |
Which one of the following is a greenhouse gas ? |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/carbon-16249" style="font-weight:bold;" target="_blank" title="Click to know more about CARBON">CARBON</a> <a href="https://interviewquestions.tuteehub.com/tag/dioxide-954355" style="font-weight:bold;" target="_blank" title="Click to know more about DIOXIDE">DIOXIDE</a></p><br/><br/><p>Carbon dioxide is a <a href="https://interviewquestions.tuteehub.com/tag/greenhouse-477063" style="font-weight:bold;" target="_blank" title="Click to know more about GREENHOUSE">GREENHOUSE</a> <a href="https://interviewquestions.tuteehub.com/tag/gas-1003521" style="font-weight:bold;" target="_blank" title="Click to know more about GAS">GAS</a>.</p></body></html> | |
| 73. |
The total energy of revolving electron in an atom |
| Answer» <html><body><p> Can never be positive</p><br/><br/><p>The total energy of a revolving electron in any <a href="https://interviewquestions.tuteehub.com/tag/orbit-1138163" style="font-weight:bold;" target="_blank" title="Click to know more about ORBIT">ORBIT</a> is the sum of its kinetic and potential energies. Energy of an electron at <a href="https://interviewquestions.tuteehub.com/tag/infinite-515764" style="font-weight:bold;" target="_blank" title="Click to know more about INFINITE">INFINITE</a> distance from the nucleus is <a href="https://interviewquestions.tuteehub.com/tag/zero-751093" style="font-weight:bold;" target="_blank" title="Click to know more about ZERO">ZERO</a>. As an electron approaches the nucleus, the electron attraction <a href="https://interviewquestions.tuteehub.com/tag/increases-1040626" style="font-weight:bold;" target="_blank" title="Click to know more about INCREASES">INCREASES</a> and the energy of electron decreases and <a href="https://interviewquestions.tuteehub.com/tag/thus-2307358" style="font-weight:bold;" target="_blank" title="Click to know more about THUS">THUS</a> becomes negative. Thus, it can never be positive.</p></body></html> | |
| 74. |
The value of Avogadro Number is |
| Answer» <html><body><p> 6.02310<sup>23</sup></p><br/><br/><p>The <a href="https://interviewquestions.tuteehub.com/tag/value-1442530" style="font-weight:bold;" target="_blank" title="Click to know more about VALUE">VALUE</a> of <a href="https://interviewquestions.tuteehub.com/tag/avogadro-386447" style="font-weight:bold;" target="_blank" title="Click to know more about AVOGADRO">AVOGADRO</a> <a href="https://interviewquestions.tuteehub.com/tag/number-582134" style="font-weight:bold;" target="_blank" title="Click to know more about NUMBER">NUMBER</a> is 6.023 × 10<sup>23</sup>.</p></body></html> | |
| 75. |
Maximum permissible concentration of total hardness in drinking water is |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/200-288914" style="font-weight:bold;" target="_blank" title="Click to know more about 200">200</a></p><br/><br/><p>Maximum <a href="https://interviewquestions.tuteehub.com/tag/permissible-598752" style="font-weight:bold;" target="_blank" title="Click to know more about PERMISSIBLE">PERMISSIBLE</a> <a href="https://interviewquestions.tuteehub.com/tag/concentration-20558" style="font-weight:bold;" target="_blank" title="Click to know more about CONCENTRATION">CONCENTRATION</a> of total <a href="https://interviewquestions.tuteehub.com/tag/hardness-14971" style="font-weight:bold;" target="_blank" title="Click to know more about HARDNESS">HARDNESS</a> in drinking <a href="https://interviewquestions.tuteehub.com/tag/water-1449333" style="font-weight:bold;" target="_blank" title="Click to know more about WATER">WATER</a> is 200.</p></body></html> | |
| 76. |
Coal is formed from |
| Answer» <html><body><p> Compressed and hardened biomass</p><br/><br/><p>Coal is <a href="https://interviewquestions.tuteehub.com/tag/mostly-7382870" style="font-weight:bold;" target="_blank" title="Click to know more about MOSTLY">MOSTLY</a> carbon with variable amounts of other elements; <a href="https://interviewquestions.tuteehub.com/tag/chiefly-418078" style="font-weight:bold;" target="_blank" title="Click to know more about CHIEFLY">CHIEFLY</a> <a href="https://interviewquestions.tuteehub.com/tag/hydrogen-22331" style="font-weight:bold;" target="_blank" title="Click to know more about HYDROGEN">HYDROGEN</a>, sulphur, oxygen, and nitrogen. Coal is formed when dead plant matter decays into <a href="https://interviewquestions.tuteehub.com/tag/peat-1149642" style="font-weight:bold;" target="_blank" title="Click to know more about PEAT">PEAT</a> and is converted into coal by the heat and pressure of <a href="https://interviewquestions.tuteehub.com/tag/deep-435979" style="font-weight:bold;" target="_blank" title="Click to know more about DEEP">DEEP</a> burial over millions of years.</p></body></html> | |
| 77. |
Which one is the most reactive halogen? |
| Answer» <html><body><p> Fluorine</p><br/><br/><p>Fluorine is the most <a href="https://interviewquestions.tuteehub.com/tag/reactive-1178230" style="font-weight:bold;" target="_blank" title="Click to know more about REACTIVE">REACTIVE</a> <a href="https://interviewquestions.tuteehub.com/tag/halogen-1015106" style="font-weight:bold;" target="_blank" title="Click to know more about HALOGEN">HALOGEN</a>.</p></body></html> | |
| 78. |
What are the number of moles of CO2 which contains 16 g of oxygen? |
| Answer» <html><body><p> 0.5 mole</p><br/><br/><p>One mole of CO<sub>2</sub> has mass of 44 g and <a href="https://interviewquestions.tuteehub.com/tag/32-307188" style="font-weight:bold;" target="_blank" title="Click to know more about 32">32</a> g of O<sub>2</sub>.<br/>So 16 g of O<sub>2</sub> have <a href="https://interviewquestions.tuteehub.com/tag/22-294057" style="font-weight:bold;" target="_blank" title="Click to know more about 22">22</a> g of CO<sub>2</sub> or 0.5 <a href="https://interviewquestions.tuteehub.com/tag/moles-1100459" style="font-weight:bold;" target="_blank" title="Click to know more about MOLES">MOLES</a> of it.</p></body></html> | |
| 79. |
Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? |
| Answer» <html><body><p> Sodium chloride</p><br/><br/><p>Antiseptics are <a href="https://interviewquestions.tuteehub.com/tag/antimicrobial-7384904" style="font-weight:bold;" target="_blank" title="Click to know more about ANTIMICROBIAL">ANTIMICROBIAL</a> substances that are applied to living tissue/skin to reduce the possibility of infection, sepsis, or putrefaction. Antiseptics are generally distinguished from antibiotics by the latter’s ability to be transported through the lymphatic system to destroy bacteria within the body, and from <a href="https://interviewquestions.tuteehub.com/tag/disinfectants-955817" style="font-weight:bold;" target="_blank" title="Click to know more about DISINFECTANTS">DISINFECTANTS</a>, which destroy microorganisms found on non-living objects. Some antiseptics are true germicides, capable of destroying <a href="https://interviewquestions.tuteehub.com/tag/microbes-1095601" style="font-weight:bold;" target="_blank" title="Click to know more about MICROBES">MICROBES</a> (<a href="https://interviewquestions.tuteehub.com/tag/bacteriocidal-2457466" style="font-weight:bold;" target="_blank" title="Click to know more about BACTERIOCIDAL">BACTERIOCIDAL</a>), while others are bacteriostatic and only prevent or inhibit their growth. Antibacterials are antiseptics that have the proven ability to act against bacteria. Microbicides which destroy virus particles are called viricides or antivirals. Sodium chloride,Used as a general cleanser. It is also used as an <a href="https://interviewquestions.tuteehub.com/tag/antiseptic-878832" style="font-weight:bold;" target="_blank" title="Click to know more about ANTISEPTIC">ANTISEPTIC</a> mouthwash.</p></body></html> | |
| 80. |
Which of the following is not soluble in water ? |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/zinc-751325" style="font-weight:bold;" target="_blank" title="Click to know more about ZINC">ZINC</a> <a href="https://interviewquestions.tuteehub.com/tag/sulphate-1234306" style="font-weight:bold;" target="_blank" title="Click to know more about SULPHATE">SULPHATE</a></p><br/><br/><p>Zinc sulphate is not <a href="https://interviewquestions.tuteehub.com/tag/soluble-3046305" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUBLE">SOLUBLE</a> in <a href="https://interviewquestions.tuteehub.com/tag/water-1449333" style="font-weight:bold;" target="_blank" title="Click to know more about WATER">WATER</a>.</p></body></html> | |
| 81. |
Which of the following metals has least melting point ? |
| Answer» <html><body><p> Mercury<br/></p><br/><br/><p>Mercury has <a href="https://interviewquestions.tuteehub.com/tag/least-7256596" style="font-weight:bold;" target="_blank" title="Click to know more about LEAST">LEAST</a> <a href="https://interviewquestions.tuteehub.com/tag/melting-1093090" style="font-weight:bold;" target="_blank" title="Click to know more about MELTING">MELTING</a> <a href="https://interviewquestions.tuteehub.com/tag/point-1157106" style="font-weight:bold;" target="_blank" title="Click to know more about POINT">POINT</a>.</p></body></html> | |
| 82. |
The maximum number of covalent formed by nitrogen is |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/4-311707" style="font-weight:bold;" target="_blank" title="Click to know more about 4">4</a></p><br/><br/><p>Covalency of an atom in a <a href="https://interviewquestions.tuteehub.com/tag/covalent-427060" style="font-weight:bold;" target="_blank" title="Click to know more about COVALENT">COVALENT</a> <a href="https://interviewquestions.tuteehub.com/tag/compound-926863" style="font-weight:bold;" target="_blank" title="Click to know more about COMPOUND">COMPOUND</a> is the number of covalent bonds <a href="https://interviewquestions.tuteehub.com/tag/formed-464209" style="font-weight:bold;" target="_blank" title="Click to know more about FORMED">FORMED</a> by an atom. <a href="https://interviewquestions.tuteehub.com/tag/maximum-556915" style="font-weight:bold;" target="_blank" title="Click to know more about MAXIMUM">MAXIMUM</a> covalency of Nitrogen is 4 (example - ammonium ions).</p></body></html> | |
| 83. |
Water gas is the combination of |
| Answer» <html><body><p> CO and H<sub>2</sub></p><br/><br/><p>Water-gas A mixture of carbon monoxide (CO) and <a href="https://interviewquestions.tuteehub.com/tag/hydrogen-22331" style="font-weight:bold;" target="_blank" title="Click to know more about HYDROGEN">HYDROGEN</a> (<a href="https://interviewquestions.tuteehub.com/tag/h2-1014292" style="font-weight:bold;" target="_blank" title="Click to know more about H2">H2</a>) produced by passing steam over red-hot <a href="https://interviewquestions.tuteehub.com/tag/coke-421881" style="font-weight:bold;" target="_blank" title="Click to know more about COKE">COKE</a> <a href="https://interviewquestions.tuteehub.com/tag/using-7379753" style="font-weight:bold;" target="_blank" title="Click to know more about USING">USING</a> the <a href="https://interviewquestions.tuteehub.com/tag/endothermic-451233" style="font-weight:bold;" target="_blank" title="Click to know more about ENDOTHERMIC">ENDOTHERMIC</a> reaction.</p></body></html> | |
| 84. |
Aerated water contains |
| Answer» <html><body><p> CO<sub>2</sub></p><br/><br/><p>Aerated <a href="https://interviewquestions.tuteehub.com/tag/water-1449333" style="font-weight:bold;" target="_blank" title="Click to know more about WATER">WATER</a> is, <a href="https://interviewquestions.tuteehub.com/tag/correctly-409968" style="font-weight:bold;" target="_blank" title="Click to know more about CORRECTLY">CORRECTLY</a> <a href="https://interviewquestions.tuteehub.com/tag/speaking-1220118" style="font-weight:bold;" target="_blank" title="Click to know more about SPEAKING">SPEAKING</a>, water to which air is added. So aerated water is any water artificially impregnated with a large amount of gas (as <a href="https://interviewquestions.tuteehub.com/tag/carbon-16249" style="font-weight:bold;" target="_blank" title="Click to know more about CARBON">CARBON</a> dioxide). The term is, however, frequently applied to <a href="https://interviewquestions.tuteehub.com/tag/carbonated-7671982" style="font-weight:bold;" target="_blank" title="Click to know more about CARBONATED">CARBONATED</a> water.</p></body></html> | |
| 85. |
Which one of the following has greatest mass ? |
| Answer» <html><body><p> Neutron</p><br/><br/><p>Neutron has greatest <a href="https://interviewquestions.tuteehub.com/tag/mass-1088425" style="font-weight:bold;" target="_blank" title="Click to know more about MASS">MASS</a>. Proton is a <a href="https://interviewquestions.tuteehub.com/tag/subatomic-2283429" style="font-weight:bold;" target="_blank" title="Click to know more about SUBATOMIC">SUBATOMIC</a> particle with <a href="https://interviewquestions.tuteehub.com/tag/symbol-1236697" style="font-weight:bold;" target="_blank" title="Click to know more about SYMBOL">SYMBOL</a> p and positive electric <a href="https://interviewquestions.tuteehub.com/tag/charge-914384" style="font-weight:bold;" target="_blank" title="Click to know more about CHARGE">CHARGE</a> of +1 elementary charge and mass slightly <a href="https://interviewquestions.tuteehub.com/tag/less-1071906" style="font-weight:bold;" target="_blank" title="Click to know more about LESS">LESS</a> than that of neutron.</p></body></html> | |
| 86. |
Global warming is mainly due to accumulation of |
| Answer» <html><body><p> Carbon dioxide</p><br/><br/><p>Global Warming refers to average increase in the earth’s <a href="https://interviewquestions.tuteehub.com/tag/temperature-11887" style="font-weight:bold;" target="_blank" title="Click to know more about TEMPERATURE">TEMPERATURE</a> due to increase in pollution which results in greenhouse effect which in <a href="https://interviewquestions.tuteehub.com/tag/turn-1429043" style="font-weight:bold;" target="_blank" title="Click to know more about TURN">TURN</a> leads to climate change. Global warming may lead to rise in the sea level due to melting of <a href="https://interviewquestions.tuteehub.com/tag/glaciers-1007699" style="font-weight:bold;" target="_blank" title="Click to know more about GLACIERS">GLACIERS</a>, shrinkage of forests, changes in the rainfall pattern and wide <a href="https://interviewquestions.tuteehub.com/tag/range-1177030" style="font-weight:bold;" target="_blank" title="Click to know more about RANGE">RANGE</a> of impacts on plants and <a href="https://interviewquestions.tuteehub.com/tag/humans-1033536" style="font-weight:bold;" target="_blank" title="Click to know more about HUMANS">HUMANS</a>. The greenhouse gases such as carbon dioxide accumulate into the atmosphere and trap heat that would normally exit into the outer space.</p></body></html> | |
| 87. |
Which one of the following does not contain Silver ? |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/german-5331" style="font-weight:bold;" target="_blank" title="Click to know more about GERMAN">GERMAN</a> <a href="https://interviewquestions.tuteehub.com/tag/silver-644119" style="font-weight:bold;" target="_blank" title="Click to know more about SILVER">SILVER</a></p><br/><br/><p>German Silver does not <a href="https://interviewquestions.tuteehub.com/tag/contain-409810" style="font-weight:bold;" target="_blank" title="Click to know more about CONTAIN">CONTAIN</a> silver.</p></body></html> | |
| 88. |
Which one element has the lowest electronegativity value |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/francium-465155" style="font-weight:bold;" target="_blank" title="Click to know more about FRANCIUM">FRANCIUM</a></p><br/><br/><p>The <a href="https://interviewquestions.tuteehub.com/tag/element-969236" style="font-weight:bold;" target="_blank" title="Click to know more about ELEMENT">ELEMENT</a> with the <a href="https://interviewquestions.tuteehub.com/tag/lowest-1081124" style="font-weight:bold;" target="_blank" title="Click to know more about LOWEST">LOWEST</a> <a href="https://interviewquestions.tuteehub.com/tag/electronegativity-450029" style="font-weight:bold;" target="_blank" title="Click to know more about ELECTRONEGATIVITY">ELECTRONEGATIVITY</a> <a href="https://interviewquestions.tuteehub.com/tag/value-1442530" style="font-weight:bold;" target="_blank" title="Click to know more about VALUE">VALUE</a> is francium, which has an electronegativity of 0.7.</p></body></html> | |
| 89. |
Citric acid is present in free form in |
| Answer» <html><body><p> Lemon</p><br/><br/><p>Lemons, <a href="https://interviewquestions.tuteehub.com/tag/oranges-1138143" style="font-weight:bold;" target="_blank" title="Click to know more about ORANGES">ORANGES</a>, limes, and other citrus fruits naturally possess <a href="https://interviewquestions.tuteehub.com/tag/high-479925" style="font-weight:bold;" target="_blank" title="Click to know more about HIGH">HIGH</a> concentrations of <a href="https://interviewquestions.tuteehub.com/tag/citric-2517888" style="font-weight:bold;" target="_blank" title="Click to know more about CITRIC">CITRIC</a> <a href="https://interviewquestions.tuteehub.com/tag/acid-847491" style="font-weight:bold;" target="_blank" title="Click to know more about ACID">ACID</a>. The juice of the lemon is about 5% to 6% citric acid, which gives lemons a sour taste. In fact, Citric acid was <a href="https://interviewquestions.tuteehub.com/tag/first-461760" style="font-weight:bold;" target="_blank" title="Click to know more about FIRST">FIRST</a> isolated in 1784 by the chemist Carl Wilhelm Scheele, who crystallized it from lemon juice.</p></body></html> | |
| 90. |
The metal ion present in Vitamin B12 is |
| Answer» <html><body><p> Cobalt</p><br/><br/><p>The <a href="https://interviewquestions.tuteehub.com/tag/structure-1230280" style="font-weight:bold;" target="_blank" title="Click to know more about STRUCTURE">STRUCTURE</a> of B<sub>12</sub> is based on a corrin ring, which is similar to the porphyrin ring found in <a href="https://interviewquestions.tuteehub.com/tag/heme-484286" style="font-weight:bold;" target="_blank" title="Click to know more about HEME">HEME</a>, chlorophyll, and cytochrome. It contains the biochemically <a href="https://interviewquestions.tuteehub.com/tag/rare-613008" style="font-weight:bold;" target="_blank" title="Click to know more about RARE">RARE</a> element cobalt sitting in the <a href="https://interviewquestions.tuteehub.com/tag/center-11455" style="font-weight:bold;" target="_blank" title="Click to know more about CENTER">CENTER</a> of the ring. Also <a href="https://interviewquestions.tuteehub.com/tag/called-907796" style="font-weight:bold;" target="_blank" title="Click to know more about CALLED">CALLED</a> cobalamin, it is a water-soluble vitamin.</p></body></html> | |
| 91. |
The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : |
| Answer» <html><body><p> Galvanization</p><br/><br/><p>Galvanization or galvanizing (also <a href="https://interviewquestions.tuteehub.com/tag/spelled-7714899" style="font-weight:bold;" target="_blank" title="Click to know more about SPELLED">SPELLED</a> galvanisation or galvanising) is the <a href="https://interviewquestions.tuteehub.com/tag/process-11618" style="font-weight:bold;" target="_blank" title="Click to know more about PROCESS">PROCESS</a> of applying a protective zinc <a href="https://interviewquestions.tuteehub.com/tag/coating-421493" style="font-weight:bold;" target="_blank" title="Click to know more about COATING">COATING</a> to steel or iron, to prevent rusting. The most common method is hot-dip galvanizing, in which the <a href="https://interviewquestions.tuteehub.com/tag/parts-1148278" style="font-weight:bold;" target="_blank" title="Click to know more about PARTS">PARTS</a> are submerged in a <a href="https://interviewquestions.tuteehub.com/tag/bath-893789" style="font-weight:bold;" target="_blank" title="Click to know more about BATH">BATH</a> of molten hot zinc.</p></body></html> | |
| 92. |
Which of the following is secondary air pollutant ? |
| Answer» <html><body><p> SO<sub>2</sub></p><br/><br/><p>SO<sub>2</sub> is <a href="https://interviewquestions.tuteehub.com/tag/secondary-638692" style="font-weight:bold;" target="_blank" title="Click to know more about SECONDARY">SECONDARY</a> <a href="https://interviewquestions.tuteehub.com/tag/air-852233" style="font-weight:bold;" target="_blank" title="Click to know more about AIR">AIR</a> <a href="https://interviewquestions.tuteehub.com/tag/pollutant-1158344" style="font-weight:bold;" target="_blank" title="Click to know more about POLLUTANT">POLLUTANT</a>.</p></body></html> | |
| 93. |
The resources which can be used continuously, year-after-year are called |
| Answer» <html><body><p> Renewable</p><br/><br/><p>The natural <a href="https://interviewquestions.tuteehub.com/tag/resources-11387" style="font-weight:bold;" target="_blank" title="Click to know more about RESOURCES">RESOURCES</a> that <a href="https://interviewquestions.tuteehub.com/tag/get-11812" style="font-weight:bold;" target="_blank" title="Click to know more about GET">GET</a> replenished in nature are called as the renewable resources. These are the resources that can be used for <a href="https://interviewquestions.tuteehub.com/tag/unlimited-1438880" style="font-weight:bold;" target="_blank" title="Click to know more about UNLIMITED">UNLIMITED</a> <a href="https://interviewquestions.tuteehub.com/tag/time-19467" style="font-weight:bold;" target="_blank" title="Click to know more about TIME">TIME</a> span and can be replaced naturally such as sunlight, <a href="https://interviewquestions.tuteehub.com/tag/water-1449333" style="font-weight:bold;" target="_blank" title="Click to know more about WATER">WATER</a>, air etc.</p></body></html> | |
| 94. |
In drinking water supply, which of the following treatments is not involved |
| Answer» <html><body><p> Softening</p><br/><br/><p>Softening is not <a href="https://interviewquestions.tuteehub.com/tag/involved-7257329" style="font-weight:bold;" target="_blank" title="Click to know more about INVOLVED">INVOLVED</a> in <a href="https://interviewquestions.tuteehub.com/tag/drinking-959674" style="font-weight:bold;" target="_blank" title="Click to know more about DRINKING">DRINKING</a> <a href="https://interviewquestions.tuteehub.com/tag/water-1449333" style="font-weight:bold;" target="_blank" title="Click to know more about WATER">WATER</a> <a href="https://interviewquestions.tuteehub.com/tag/supply-1235254" style="font-weight:bold;" target="_blank" title="Click to know more about SUPPLY">SUPPLY</a>.</p></body></html> | |
| 95. |
The purest form of water in nature is |
| Answer» <html><body><p> Rain water</p><br/><br/><p>Rain water is <a href="https://interviewquestions.tuteehub.com/tag/considered-7257760" style="font-weight:bold;" target="_blank" title="Click to know more about CONSIDERED">CONSIDERED</a> the purest form of water. Impurities and salts present in water on <a href="https://interviewquestions.tuteehub.com/tag/earth-13129" style="font-weight:bold;" target="_blank" title="Click to know more about EARTH">EARTH</a> are <a href="https://interviewquestions.tuteehub.com/tag/left-1070879" style="font-weight:bold;" target="_blank" title="Click to know more about LEFT">LEFT</a> behind during <a href="https://interviewquestions.tuteehub.com/tag/vaporisation-1442866" style="font-weight:bold;" target="_blank" title="Click to know more about VAPORISATION">VAPORISATION</a> by the sun.</p></body></html> | |
| 96. |
The two metal ions that cause hardness to water are: |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/calcium-412119" style="font-weight:bold;" target="_blank" title="Click to know more about CALCIUM">CALCIUM</a>, Magnesium</p><br/><br/><p>Calcium and magnesium ion <a href="https://interviewquestions.tuteehub.com/tag/cause-910965" style="font-weight:bold;" target="_blank" title="Click to know more about CAUSE">CAUSE</a> <a href="https://interviewquestions.tuteehub.com/tag/hardness-14971" style="font-weight:bold;" target="_blank" title="Click to know more about HARDNESS">HARDNESS</a> of <a href="https://interviewquestions.tuteehub.com/tag/water-1449333" style="font-weight:bold;" target="_blank" title="Click to know more about WATER">WATER</a>.</p></body></html> | |
| 97. |
What is the chemical symbol of mercury? |
| Answer» <html><body><p> Hg</p><br/><br/><p>Hg is the <a href="https://interviewquestions.tuteehub.com/tag/chemical-914796" style="font-weight:bold;" target="_blank" title="Click to know more about CHEMICAL">CHEMICAL</a> <a href="https://interviewquestions.tuteehub.com/tag/symbol-1236697" style="font-weight:bold;" target="_blank" title="Click to know more about SYMBOL">SYMBOL</a> of <a href="https://interviewquestions.tuteehub.com/tag/mercury-558950" style="font-weight:bold;" target="_blank" title="Click to know more about MERCURY">MERCURY</a>.</p></body></html> | |
| 98. |
Which of the following is a monoatomic gas? |
| Answer» <html><body><p> Neon</p><br/><br/><p>Neon is a <a href="https://interviewquestions.tuteehub.com/tag/monoatomic-2841458" style="font-weight:bold;" target="_blank" title="Click to know more about MONOATOMIC">MONOATOMIC</a> <a href="https://interviewquestions.tuteehub.com/tag/gas-1003521" style="font-weight:bold;" target="_blank" title="Click to know more about GAS">GAS</a> <a href="https://interviewquestions.tuteehub.com/tag/among-374776" style="font-weight:bold;" target="_blank" title="Click to know more about AMONG">AMONG</a> the <a href="https://interviewquestions.tuteehub.com/tag/following-463335" style="font-weight:bold;" target="_blank" title="Click to know more about FOLLOWING">FOLLOWING</a>.</p></body></html> | |
| 99. |
The highest volume of gases in lower atmosphere is comprised of |
| Answer» <html><body><p> Nitrogen</p><br/><br/><p>There are a number of atmospheric gases which make up air. In the lower <a href="https://interviewquestions.tuteehub.com/tag/atmosphere-13116" style="font-weight:bold;" target="_blank" title="Click to know more about ATMOSPHERE">ATMOSPHERE</a> or <a href="https://interviewquestions.tuteehub.com/tag/troposphere-713207" style="font-weight:bold;" target="_blank" title="Click to know more about TROPOSPHERE">TROPOSPHERE</a>, the <a href="https://interviewquestions.tuteehub.com/tag/main-552371" style="font-weight:bold;" target="_blank" title="Click to know more about MAIN">MAIN</a> gases are nitrogen and oxygen, which make up 78% and 21% of the <a href="https://interviewquestions.tuteehub.com/tag/volume-728707" style="font-weight:bold;" target="_blank" title="Click to know more about VOLUME">VOLUME</a> of air respectively. The <a href="https://interviewquestions.tuteehub.com/tag/remaining-1184297" style="font-weight:bold;" target="_blank" title="Click to know more about REMAINING">REMAINING</a> 1% of the atmospheric gases is made up of trace gases.</p></body></html> | |
| 100. |
Which of the following is used to denature ethanol ? |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/methyl-1095247" style="font-weight:bold;" target="_blank" title="Click to know more about METHYL">METHYL</a> <a href="https://interviewquestions.tuteehub.com/tag/alcohol-853024" style="font-weight:bold;" target="_blank" title="Click to know more about ALCOHOL">ALCOHOL</a></p><br/><br/><p>Denatured alcohol is ethanol that has additives to make it undrinkable (poisonous), to discourage recreational <a href="https://interviewquestions.tuteehub.com/tag/consumption-931383" style="font-weight:bold;" target="_blank" title="Click to know more about CONSUMPTION">CONSUMPTION</a>. Different additives are used to make it difficult to use distillation or other simple processes to reverse the denaturation. <a href="https://interviewquestions.tuteehub.com/tag/methanol-559420" style="font-weight:bold;" target="_blank" title="Click to know more about METHANOL">METHANOL</a> is commonly used both because its boiling <a href="https://interviewquestions.tuteehub.com/tag/point-1157106" style="font-weight:bold;" target="_blank" title="Click to know more about POINT">POINT</a> is close to that of ethanol and because it is toxic.</p></body></html> | |