Saved Bookmarks
This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Explain by writing a word equation.1. hard water gets off turn on mixing with a solution of washing soda. |
|
Answer» Answer: SODIUM carbonate, Na2CO3, is also known as washing soda. It can soften water that has temporary hardness and it can soften water that has permanent hardness. Sodium carbonate is soluble in water and ADDS a large amount of carbonate ions to the water. These react with dissolved calcium ions, forming a PRECIPITATE of calcium carbonate: Ca2+(aq) + CO32–(aq) → CaCO3(s) The calcium ions come from the hard water and the carbonate ions from the washing soda. Read more on Brainly.in - brainly.in/question/7142657#readmore |
|
| 2. |
1800 were quizzed to know their favorite fruits.7/18 of them like apple and 11/24 of them like mangoes. the remaining like melon. what fraction of people like melon and how many people like meon?please solve |
|
Answer» Answer: 7/18* 1800=700 LIKE apple 11/24 *1800=725 like MANGO remaining =1800-700-825 =275 PEOPLE like MELON . FRACTION =275/1800=55/360=11/72 |
|
| 3. |
Differentiate between top soil and sub soil . |
|
Answer» ANSWER: Subsoil is the layer of soil below the TOPSOIL. ... The layer of soil CLOSEST to our feet is topsoil. Geologists refer to it as the “A” horizon, WHEREAS subsoil is the “B” horizon. Topsoil is much more fertile than subsoil because it contains more ORGANIC matter, thus giving it a darker color. Explanation: |
|
| 4. |
Eye lens form the image of an object situated infront of it at the retina the image formed is |
|
Answer» REAL and Inverted. The EYE lens is a convex lens and it FORMS a real and Inverted image on the retina. Hope it helps you! Please like and MARK the brainliest ❤️ |
|
| 5. |
What is the scientific name for the disease bird flu. |
| Answer» | |
| 6. |
Name the topper atmosphere |
Answer» ❤HELLO BUDDY ❤Exosphere(i) Exosphere : The topmost LAYER of the ATMOSPHERE is CALLED the Exosphere. @...⭐ |
|
| 7. |
What is mean by sewerage |
|
Answer» Sewerage is the infrastructure that conveys sewage or surface runoff (stormwater, meltwater, rainwater) USING sewers. ... Sewerage ENDS at the entry to a sewage treatment plant or at the point of discharge into the environment. It is the system of pipes, chambers, manholes, etc. that conveys the sewage or STORM WATER. |
|
| 8. |
Best reference bk of science and history for calss 9 |
| Answer» | |
| 9. |
Disporporation reaction |
|
Answer» Answer: Disproportionation REACTION Disproportionation is a chemical reaction, typically a redox reaction, where a MOLECULE is transformed into two or more dissimilar products. In a redox reaction, the species is simultaneously OXIDIZED and reduced to FORM at LEAST two different products. |
|
| 10. |
An animals cell kept salt solution |
|
Answer» Answer: If a plant or animal cell is kept in highly concentrated salt solution, The cell will get SMALLER in size. This size change occurs DUE to exosmosis which the plant/animal cell undergoes. Osmosis is the process of movement of liquid(WATER) from a region of lower solute CONCENTRATION to a region of HIGHER solute |
|
| 11. |
Define the following chemical change and ionic bond and covalent bond |
|
Answer» Answer: Ionic bonding is the complete transfer of valence ELECTRON(s) between atoms. It is a type of chemical bond that generates two oppositely charged ions. In ionic bonds, the METAL loses ELECTRONS to become a positively charged cation, whereas the NONMETAL accepts those electrons to become a negatively charged anion. Covalent Bond Energies and Chemical Reactions. Atoms bond together to form compounds because in doing so they attain lower energies than they possess as individual atoms. ... When a chemical REACTION occurs, molecular bonds are broken and other bonds are formed to make different molecules. |
|
| 13. |
Which process of wastewater treatment is commonly known as sewage treatment |
|
Answer» sewage TREATMENT is also KNOWN as waste watert reatment please MARK as brainliest |
|
| 14. |
Charlie is doing a scientific investigation about the properties of light energy. For his experiment, he points a flashlight at a mirror and then at a basketball. Which of the following best describes what Charlie would observe? |
|
Answer» Answer: he is EQUALS to 48 degree in BUSINESS for over a year and a HALF ago anto get a new one andto get a new one and it WA |
|
| 15. |
You have recently purchased some gadgets for household use. You find them very useful,but your grandparents sneer at them. Describe th gadgets and your own feelings about them. |
|
Answer» Answer: Gadgets and electronics are very helpful in everyday use, especially in the 21st century. They change our way of LIVING and make it a lot easier for us to perform everyday tasks. They even WORK on AUTOMATIC so we can do other tasks as well. It makes us a lot more efficient and ENABLES us to save more time. Even though we have to abandon our age old METHODS, it is still better because it is far more efficient. Explanation: |
|
| 16. |
Do carboxyic acids are unsaturated |
|
Answer» WELL yes, Carboxylic acids are unsaturated in nature and are CHARACTERIZED by presence of at least a carbon atom DOUBLE bonded to an OXYGEN atom. |
|
| 17. |
Name a Seed/fruit that is dispersed by water ? |
|
Answer» Answer: coconut SEEDS are dispersed by water .... |
|
| 18. |
Disease causing microorganisms are called ? |
|
Answer» pathogens CALLED as a DISEASE causing organisms hope it is useful |
|
| 19. |
How to increase 6 inches height and reduce 10kg weight |
|
Answer» eat HEALTHY FOOD take neutrients and drink milk for height it's calcium which will help u the most bcz UR bones NEED calcium to grow |
|
| 20. |
What are Non-contact forces and their examples. |
|
Answer» Answer: An apple FALLING down from a tree is one of the best examples of non contact force. IRON PINS attracted in the presence of a magnet bar without any physical contact. Falling of raindrops on earth is also an EXAMPLE of non-contact force. The charging of the HAIR and attraction of paper bits towards it.... |
|
| 22. |
Do you they won the match (future indefinite tense) change the voice |
Answer» Your Answer is ...The MATCH was won by them. Hope it HELPS ... |
|
| 23. |
David decided to get his home white washed, when he sawpainter mixing lime with water he heard a hissing soundand observed a gas being evolved. Would you classify thechange as a physical change or chemical change? Why? |
| Answer» | |
| 24. |
True or false 1) the focal length of a concave mirror negative |
| Answer» | |
| 25. |
How many types of fuel |
|
Answer» Explanation: A fuel is any material that can be MADE to react with other substances so that it releases energy as heat energy or to be used for work. The concept was originally applied solely to those materials capable of releasing chemical energy but has since also been applied to other sources of heat energy such as nuclear energy (via nuclear fission and nuclear fusion). The heat energy released by reactions of fuels is converted into mechanical energy via a heat engine. Other times the heat itself is valued for warmth, cooking, or industrial processes, as well as the illumination that comes with combustion. Fuels are also used in the cells of organisms in a process known as cellular respiration, where organic molecules are OXIDIZED to release usable energy. Hydrocarbons and RELATED oxygen-containing molecules are by far the most common SOURCE of fuel used by humans, but other substances, including RADIOACTIVE metals, are also utilized. |
|
| 27. |
What is lassi?a) cold drink b) a milk based dessert c) kerala soup d) a yogurt based drink |
Answer» A YOGURT BASED drink.Lassi❤️ |
|
| 28. |
5. Mention the similarities and differences between:a. a convex mirror and a concave lens mention the similarities and differences between convex mirror and a concave lens |
|
Answer» GF DISTINCTION sasqwetuhfd GB J |
|
| 30. |
Draw the ray diagram showing the formation of the image when the object is kept behind the centre of the curvature of a concave mirror |
|
Answer»
|
|
| 31. |
Describe the life cycle of frogs. |
|
Answer» Explanation: The life cycle of a FROG begins with a fertilized egg. ... The TADPOLE develops into an IMMATURE frog.As the immature frog develops it is transformed via the process of metamorphosis into an adult frog. The tail is absorbed and the external GILLS are replaced by lungs. HOPE IT HELPS YOU!!!! PLEASE MARK ME DOWN AS A BRAINLIEST |
|
| 32. |
What is constitution why need constitution |
|
Answer» Answer: A Constitution is NECESSARY because of the following reasons: It is an important law of the land. It determines the relationship of the CITIZENS with the governments. It lays down principles and guidelines which are required for people BELONGING to DIFFERENT ethnic and RELIGIOUS groups to live in harmony. Explanation: hope you like it |
|
| 33. |
How many nuclei present in a zygote (1) zero (2) two (3) one (4) four |
| Answer» | |
| 34. |
Why is reproduction important? |
|
Answer» Answer: REPRODUCTION is a PROCESS that ensures the continuation of the SPECIES. If a certain species had not REPRODUCED, it would slowly come to an end. It makes sure that a certain species doesn't go extinct. Explanation: |
|
| 35. |
What is shadow what is Shadow definition |
|
Answer» Answer: shadow is a reflection of the body ,when the LIGHT falls on the object and the reflection is FORMED on a SURFACE |
|
| 36. |
I am biogas major gasoline - Identify me |
|
Answer» nsjdgdjjdbdndkfhskfnfbdhdifjfnhdjdjdndbdsmdnsndjidbsndjdjdhdhdj.... E..... dhfurjehhehejdjdkdkdjdhdhdyuriwnend dndjfjdididjbsbsjdjddjjebdudjruddbbdhdjhshdhdhdndjdndndbbdhdhdu.... duruheheueubrhrjejrhrhehehehgdjdjdjjdjdjnd |
|
| 37. |
How do you simulate the 12 volts electric cell in the circuit ? |
|
Answer» By MAKING a CIRCUIT DIAGRAM LIKE this. Explanation: |
|
| 38. |
What is a hurricane ? briefly explain how is it develop |
|
Answer» Answer: Hurricanes form over the WARM ocean water of the tropics. When warm MOIST AIR over the water rises, it is replaced by cooler air. The cooler air will then warm and start to rise. This cycle causes huge stormclouds to form. These storm clouds will BEGIN to rotate with the spin of the EARTH forming an organized system. |
|
| 39. |
Write the chemicalname of teflon |
| Answer» | |
| 40. |
Identify the odd one out1} potassium sulphate 2} sodium chloride 3} sodium acerate 4} potassium chloride |
Answer» ANSWERExplanation: as sodium acetate is a BASIC salt and OTHERS are not... mark it as a brainlylist |
|
| 41. |
Show with the help of diagram of electronic configuration how the following compounds are formed from the constituent atom.1. potassium chloride2. water3. HCL |
|
Answer» Answer:1. Sodium Chloride: Sodium chloride is formed when sodium atoms comes in contact with chlorine atoms. When both the atoms interact the sodium loses one electron to chlorine. This makes sodium positively and chlorine negatively charged. Since opposite charge attracts each other, the sodium atom attracts chloride ions thus forming an ionic bond. The chemical formula for sodium chloride is NaCl. 2. Potassium Fluoride The chemical formula of potassium fluoride is KF. Potassium fluoride is formed by dissolving potassium carbonate in excess hydrofluoric acid. Evaporation of the solution yields potassium bifluoride. The bifluoride on heating gives potassium fluoride: K2CO3 + 4HF → 2KHF2 + CO2↑ + H2O KHF2 → KF + HF↑ 3. Water The chemical equation of the formation of water is 2H2 + O2 = 2H2O TWO molecules of diatomic hydrogen gas combined with one MOLECULE of the diatomic OXYGEN to produce two molecules of water. 4. Hydrogen Chloride Hydrogen chloride is PRODUCED by treating sodium chloride with concentrated sulphuric acid. 420K NaCl + H2SO4 → NaHSO4 + HCl " Read more on Brainly.in - brainly.in/question/8035233#readmore
|
|
| 42. |
Write down the mirror formula |
|
Answer» Mirror FORMULA is relationship that combines image DISTANCE ,object distance and focal LENGTH of the mirror . Here u=object distance as measured from pole of the mirror and V=image distance and F being the focal length of the mirror. |
|
| 43. |
When ciliary muscles relax the thickness of the lensa. increases B reducesC remains the same D sometimes increases and sometimes reducesplz answer I will mark you as brainlest |
|
Answer» the THICKNESS remains the same |
|
| 44. |
A solution contains 40 g ofcommon salt in 320 g of water.Calculate the concentration in terms ofmass by mass percentage of thesolution. |
|
Answer» Answer: 11.1% MASS of solute/mass of solution×100 40/360×100=11.1% |
|
| 45. |
Give four characteristics of solid state |
|
Answer» Explanation: Characteristics of Solid State. The solids are characterized by incompressibility, rigidity and MECHANICAL strength. ... THUS solids have definite volume, shape, slow diffusion, low vapour PRESSURE and possess the unique property of being RIGID. Such solids are KNOWN as true solids. hope it helps |
|
| 46. |
Write any three differences between a plant cell and animal cell. |
| Answer» | |
| 47. |
What is the meaning of electrolytic cell?? |
|
Answer» Answer: An electrolytic cell is an electrochemical cell that drives a non-spontaneous redox reaction through the APPLICATION of electrical ENERGY. They are often used to decompose chemical COMPOUNDS, in a process CALLED electrolysis—the Greek word lysis means to break up. Please Mark it as brainlist （＾ｖ＾） |
|
| 48. |
Write two points of difference between solution and suspension |
|
Answer» Answer: The difference between a solutions and a suspension is in the particles sizes involved.a solution is a MIXTURE of iron or molecules (very,very,SMALL).Solutions are transparent,meaning that you can see through them.a suspension has bigger PARTICLE sizes and so it may look cloudy or murky Explanation: I hop it HELPS |
|