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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 4051. |
Discovery of nucleus ? |
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Answer» Ernest RUTHERFORD DISCOVERED the NUCLEUS of the atom in 1911.Explanation: THANKS ❤❤ |
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| 4053. |
Name two physical and chemical changes taking place in your body. Guys please help me.Those who can give the correct answer in briefly, I will mark them as Brainliest. |
| Answer» PHYSICAL changes only CHANGE the appearance of a substance, not its chemical COMPOSITION. Chemical changes cause a substance to change into an entirely substance with a NEW chemical formula. Chemical changes are also KNOWN as chemical reactions. | |
| 4054. |
What is plum cake theory ? |
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Answer» According to custom, on the eve of Christmas, a rich porridge was cooked and EATEN to “line the stomach” for the UPCOMING feast. The porridge, said to have been made with oats, dried FRUITS, spices, honey, and sometimes even MEAT, can be called the grandfather of the Christmas — or PLUM cake. |
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| 4055. |
Explain valency of potassium and calcium |
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Answer» Electronic configuration of potassium is: K(2)L(8)M(8)N(1). { At.no.-19 }E.C. of Calcium is: K(2)L(8)M(8)N(2). { At.no.- 20}Potassium & Calcium have 1 & 2 valence ELECTRONS in the OUTERMOST shell RESPECTIVELY. So their valencies are 1 and 2 respectively. |
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| 4056. |
1.what is simple chemical reaction? |
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Answer» chemical REACTION is a process in which one or more SUBSTANCES, also CALLED reactants, are converted to one or more DIFFERENT substances, known as products. ... A chemical reaction rearranges the constituent ATOMS of the reactants to create different substances as products. |
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| 4057. |
1) Classify the following substance based on their solubility and miscibility in water sand, common salt, lemon juice, oil, washing soda, honey, chalk powder, sugar, kerosene. PLEASE ANSWER ONLY IF YOU KNOW. PLEASE FAST ITS URGENT. I HAVE TO SUBMIT IT BY TODAY ITSELF. |
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Answer» tion:A pallet is a flat transport structure, which supports goods in a stable fashion while being lifted by a forklift, a pallet jack, a front loader, a jacking device, or an ERECT crane. A pallet is the structural foundation of a unit LOAD which ALLOWS handling and storage efficiencies. |
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| 4058. |
1. Describe the basic postulates of Dalton's Theory. |
| Answer» TER consists of indivisible particles called atoms. Atoms of the same ELEMENT are similar in shape and mass, but differ from the atoms of other elements. Atoms cannot be created or destroyed. Atoms of different elements may COMBINE with each other in a fixed, SIMPLE, whole number RATIOS to form compound atoms. | |
| 4059. |
Give answer correctly☺️ |
| Answer» TION:PLEASE MARK as BRAINLIEST | |
| 4060. |
Can gases conduct electricity? Justify. |
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Answer» D THANKS again for the use y el DIA o k b and c is a transformer pad for the first TIME that i on a regular basis on which to doExplanation:pa duto KE liye Hot spot on line होगा on the college has a regular basis of LPC No Send KARNA hai company Employment on line side of LPC 38 on line होगा on the college 13 on the college has been a transformer pad |
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| 4061. |
जब लोहे की कील को कॉपर सल्फेट विलयन में रखा जाता हैतो कॉपर सल्फेट का रंग हो जाता है- |
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| 4062. |
Write the electronic configuration of the following elements: 1. A non metal which is used in the lead of pencil 2. The most abundant element in the universe. 3. A most abundant metal on the earth 4. An element which is used in making of the tip of matchsticks. 5. An element which supports life. |
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Answer» Chromium (Z=24) contains five electrons in 3d SUBSHELL.(b) Magnesium (Z=12), an alkaline earth metal, can READILY lose two electrons to form Mg 2+ .(c) Oxygen (Z=8) gains 2 electrons to form O 2− .(d) Halogens (goup 17) contains metal (iodine), non metals (F,CL and BR), liquid BROMINE and gases.Explanation:Mark me brilent bro |
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| 4063. |
CalculatetheрН 4 б.14NHOH Solutionkb value is 10-5 . |
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Answer» tion:A pallet is a FLAT transport structure, which supports goods in a stable fashion while being lifted by a FORKLIFT, a pallet jack, a front loader, a jacking device, or an ERECT crane. A pallet is the structural foundation of a unit LOAD which allows handling and storage efficiencies. |
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| 4064. |
Describe the cultivation to yarn story of cotton by drawing a flow sheet |
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Answer» The cotton fibre is FIRST PLUCKED from the fields and CLEANED MANUALLY. Then they are spereated by a carding machine which stretches them in somewhat parallel formwhich then passes through a funnel-shaped device. The main motive is to turn the yarn smoother and finer. The process is called SPINNING. |
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| 4065. |
Why do gases diffuse into each other? |
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Answer» Gases are basically a STATE of matter with very less intermolecular force and more intermolecular space. The process of diffusion in solids take a long time while in liquids and gases it is quite faster. Thus gases can diffuse easily with each other.Gases diffuse in the PRINCIPLE of higher CONCENTRATION to lower concentrationIf you LIKED my answer please MARK me as brainlist . |
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| 4066. |
रोहित की तरह आपको मिनचीलो मेंहै |
| Answer» BHAI KRNA KYA HAI IS SENTENCE KOExplanation:SAF SAF BOLO | |
| 4067. |
Identify the metalloid from the followingarsenicantimonygermaniumall |
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| 4068. |
The amount of Na2co3 required to react with HCl for obtaining 0.1 mole of Co2 is a) 10.6 grams b) 1.06 grams c) 106 grams d) 0.0106 grams |
| Answer» OPTION A 10.6 GRAMS is the right ANSWER ✅✅Explanation:pls MARK me as brainliest answer | |
| 4069. |
3. Which of the following is known as caustic soda?(a) NaOH(c) NaCl(b) Na2CO3(d) Na,Co,.10H20 |
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| 4070. |
What is chemistry???? |
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Answer» the branch of science concerned with the substances of which matter is COMPOSED, the investigation of their PROPERTIES and reactions, and the USE of such reactions to FORM new substances. |
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| 4071. |
Please put |
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| 4072. |
Among the following Which is having the more rate |
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| 4073. |
11. Balance the following equations(o) N₂ + H₂ → NH₂ |
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Answer» N2+2H2--- 2NH2Hope this HELP you |
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| 4074. |
Who made periodic table |
| Answer» DMITRI MendeleevExplanation:He arranged the elements in eight groups but left no gaps for undiscovered elements. In 1869, Russian chemist Dmitri Mendeleev created the framework that BECAME the modern PERIODIC table, leaving gaps for elements that were YET to be discoverd.Mark me as brainliest | |
| 4076. |
Difference between miscible liquid and immiscible liquid??? |
| Answer» IMMISCIBLE LIQUIDS are those which do not MIX with each OTHE and MISCIBLE liquids are those which mix. | |
| 4077. |
What is common in all solid solutions? |
| Answer» SUGAR WATER MIXTURE is the COMMON EXPLANATION: | |
| 4078. |
Balance the chemical equation 4) NO2 + H2O - NO + HNO3 |
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Answer» 3NO2 + H2O → 2HNO3 + NOExplanation:MARK ME AS A BRAINLIEST!!!! |
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| 4079. |
What is meant by compound ?Write two examples of day to day life. |
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Answer» compound is a substance formed when two or more chemical ELEMENTS are chemically BONDED together. In mixtures, the substances present are not chemically bonded together. The type of BONDS holding elements together in a compound can VARY: two common types are COVALENT bonds and ionic bonds. |
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| 4080. |
1) soft materials can be ___________ their shape and can be _______ easily. 2) classification is done based on some known __________. 3) materials which conduct heat quickly are called __________ of heat. PLEASE ANSWER only if you know. Please FAST its urgent. |
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Answer» 1. EASILY change, PRESSED 2. PROPERTY of OBJECTS 3. conductors |
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| 4081. |
Number of gram atoms of 11 grams of CO_(2)? Please Help Me Who will Give Correct Answer I will Mark Them As Brainliest and Follow them. |
| Answer» 1 CO2= 8 MOLECULE so 11co2 = 88 atoms of molecule | |
| 4082. |
Why is lead used as a protecting sheild in X rays and harmful radioactive radiations ? |
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Answer» how do BEHAVIOURAL THEORY EXPLAIN personality? PROVIDE a critical description |
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| 4083. |
Atmospheric air contains a large amount of oxygen and traces of hydrogen. Why do they not react and cause explosion?? |
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Answer» coz they have low reactivity in natureExplanation:it's my PLEASURE to HELP you PLEASE MARK me as a brainliest. |
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| 4084. |
Give one example each of an acidic, a basic and a neutral salt. |
| Answer» TION: NEUTRAL salt- NACL and kclacidic -NaHSO4and basic - calcium CARBONATE | |
| 4085. |
Antacid tablet is given to the person suffering from acidity. Explain |
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Answer» tion:Acidity is caused due to the excess production of acids in the stomach. An ANTACID TABLET contains bases, such as milk of MAGNESIA(magnesium hydroxide, gelusil,etc. These bases react with excess of acids and NEUTRALIZE the effect of excessive acid and brings relief. |
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| 4086. |
3 use full things which is made up of synthetic fibre |
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Answer» These are strong ELASTIC and light, lustrous and easy to wash fibres made from WATER, coal, and air initially. The fibre is completely synthetic and stronger than steel wire. It is used to make SOCKS, ropes, toothbrushes, tents, seat belts, curtains, etc. Used to make ropes for ROCK climbing and parachutes. |
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| 4087. |
Why do clothes dry faster when the weather is windy? Wind helps the clothes spread out.Wind helps in faster evaporation.Wind makes the clothes move to and fro.Wind makes the air warm.01antions and fill in the blanks |
| Answer» WIND HELPS in FASTER EVAPORATION | |
| 4088. |
What are alkalis? Explain with examples. Please give me ans |
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Answer» are BASES that are completely SOLUBLE in water. Sodium OXIDE and potassium oxide are alkalis that DISSOLVE in water to form soluble bases sodium hydroxide and potassium hydroxide respectively. |
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| 4089. |
Two cartons of milk were opened and one was left by aradiator while the other wasplaced in a fridge. How willthe milk in the two cartonsdiffer after three days? Explainyour answer. |
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Answer» The one that was exposed to HEAT will be chunky. Milk contains proteins, and the heat will denature the proteins CAUSING the milk to be chunky and SPOIL. |
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| 4090. |
Why do we use aluminum in making bodies of air craft and telescopes ? |
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Answer» The key benefit of aluminium alloys used in spacecraft is their ability to WITHSTAND high and low temperatures, vibration LOADS and radiation. In addition, they have the PROPERTY of cryogenic strengthening, which means that as the temperature FALLS their strength and flexibility only increase.Mark me BRAINLIEST!! |
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| 4091. |
A mixture of salt and glucose powder is dissolved in distilled water will the solution conduct electricity |
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Answer» As we know that DISTILLED water does not contain any ions but when table salt is added it gets ionised. And when we add glucose to it it does not cause any CHANGE therefore it will comduct ELECTRICITY. YES it will conduct electricity because the SOLUTION contains salt which will conduct electricity. |
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| 4092. |
Give more than two paragraph about atoms |
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| 4093. |
Tin is used to coat cans made of iron used for storing food. Give reason |
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Answer» Explanation:Tin is coated over IRON to PREVENT iron from REACTING with food. This is done because tin is LESS REACTIVE than iron. |
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| 4094. |
Why does an electric current not flow through a glucose solution |
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| 4095. |
Essay on one step towards clean and green energy in kannada |
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Answer» clean and green energy is energy as electricity of nuclear POWER, that doesn't pollute the atmosphere when USED as OPPOSED to coal and oil, that do. NCSEA defines clean energy. Green energy which includes green electricity is clean energy.Explanation:L THINK it's helpful.PLEASE FOLLOW ME |
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| 4096. |
Explain isotopes and isobars with examples in detail |
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Answer» tion:When the AMPLITUDE of the pendulum is larger, there is a slight INCREASE in the period, but not in any significant way. ... There are only two things that can change the period of a simple pendulum: the LENGTH (L) of the string or rod and the value of the acceleration due to gravity |
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| 4097. |
4. The number of electrons in 1.6 g of CH4 isapproximately(1) 25 x 1024(2) 1.5 x 1024(3) 6 x 1023(4) 3.0 x 1024 |
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Answer» 3) 6× 1023..I just gussed the ANSWER.. I'll MIGHT be wrong.. apologies!! |
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| 4098. |
And he gives I loterier melk Perron- lost 25 lete milk2.2 Convert the followingtores 7 mlas statedml6oo5 mlPublic |
| Answer» 1 LITRE MILK is 100 KILO litre | |
| 4099. |
Why nitrogen is essential elements for plants for class 6 icse |
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Answer» Nitrogen is so vital because it is a major COMPONENT of chlorophyll, the compound by which plants USE sunlight energy to produce sugars from WATER and carbon dioxide (i.e., PHOTOSYNTHESIS). It is also a major component of amino acids, the building BLOCKS of proteins. Without proteins, plants wither and die.Explanation:Hope it helpsPls mark as branliest |
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| 4100. |
Define following terms1)Positive work2)Chemical energy3)Mechanical energy |
| Answer» WORK in good manner is called positive work.ENERGY by chemical potential and kinetic energy both combined Explanation:hope it is HELPFUL to you | |