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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.
| 1201. |
Question 54Justify “Dust is a pollutant”. |
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Answer» Question 54 |
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| 1202. |
Two molecules of a solid are kept some distance apart and the force between them is measured. The solid is then melted to form a liquid. Two molecules of the liquid are now kept the same distance apart and the force between them is measured. Which force will be greater? Explain why. |
| Answer» Two molecules of a solid are kept some distance apart and the force between them is measured. The solid is then melted to form a liquid. Two molecules of the liquid are now kept the same distance apart and the force between them is measured. Which force will be greater? Explain why. | |
| 1203. |
what is reaction with chlorofarm? |
| Answer» what is reaction with chlorofarm? | |
| 1204. |
Question 6(i) From which part of the plant cotton and jute are obtained?(ii) Name two items that are made from coconut fibre. |
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Answer» Question 6 (i) From which part of the plant cotton and jute are obtained? (ii) Name two items that are made from coconut fibre. |
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| 1205. |
What is the difference between pure substances and elements? |
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Answer» What is the difference between pure substances and elements? |
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| 1206. |
A rubber band changes its shape on stretching then why it is called solid? |
| Answer» A rubber band changes its shape on stretching then why it is called solid? | |
| 1207. |
Explain the process of rooftop rainwater harvesting with the help of a suitable diagram. |
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Answer» Explain the process of rooftop rainwater harvesting with the help of a suitable diagram. |
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| 1208. |
Which of the following is a hand spindle used for spinning? |
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Answer» Which of the following is a hand spindle used for spinning? |
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| 1209. |
Can you get burnt paper back to its original form? |
| Answer» Can you get burnt paper back to its original form? | |
| 1210. |
Fill in the names of useful items made from jute fibres in Figure. One such example is given. |
Answer» Fill in the names of useful items made from jute fibres in Figure. One such example is given. |
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| 1211. |
Statewhether the statements given below are ‘True’ or ‘False’.(i) Stoneis transparent, while glass is opaque.(ii) Anotebook has lustre, while an eraser does not.(iii) Chalkdissolves in water.(iv) Apiece of wood floats on water.(v) Sugardoes not dissolve in water.(vi) Oilmixes with water.(vii) Sandsettles down in water.(viii) Vinegardissolves in water. |
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Answer» State (i) Stone (ii) A (iii) Chalk (iv) A (v) Sugar (vi) Oil (vii) Sand (viii) Vinegar |
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| 1212. |
How does water gets polluted? |
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Answer» How does water gets polluted? |
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| 1213. |
Question 10Why should paper be saved? Prepare a list of ways by which you can save paper. |
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Answer» Question 10 Why should paper be saved? Prepare a list of ways by which you can save paper. |
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| 1214. |
Sometimes most of the rainwater disappears as soon as it falls on the ground. Is this because of evaporation? Explain. [3 MARKS] |
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Answer» Sometimes most of the rainwater disappears as soon as it falls on the ground. Is this because of evaporation? Explain. [3 MARKS] |
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| 1215. |
When water containing sugar is stirred with a spoon, sugar is dissolved faster. Why does this happen? |
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Answer» When water containing sugar is stirred with a spoon, sugar is dissolved faster. Why does this happen? |
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| 1216. |
The property used in separating a mixture of two solids by winnowing is(a) difference in colour.(b) difference in size.(c) difference in weight.(d) attraction by magnet. |
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Answer» The property used in separating a mixture of two solids by winnowing is (a) difference in colour. (b) difference in size. (c) difference in weight. (d) attraction by magnet. |
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| 1217. |
Physical factors like water and wind, chemical processes like hydration, biological factors like ___ influence soil formation. |
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Answer» Physical factors like water and wind, chemical processes like hydration, biological factors like |
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| 1218. |
what is hexadentate ligands ? |
| Answer» what is hexadentate ligands ? | |
| 1219. |
Chilli grows as which part of the plant? |
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Answer» Chilli grows as which part of the plant? |
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| 1220. |
Question 4 Water in our tap comes from a (a) River (b) lake (c) well (d) All of these |
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Answer» Question 4 Water in our tap comes from a |
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| 1221. |
does OCl2 or OBr2 exist? |
| Answer» does OCl2 or OBr2 exist? | |
| 1222. |
Question 4Identify the process involved in the given picture and explain it? |
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Answer» Question 4 Identify the process involved in the given picture and explain it? |
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| 1223. |
List five materials. Name one thing that is made from each of these. |
| Answer» List five materials. Name one thing that is made from each of these. | |
| 1224. |
Statement I: Policemen regulating traffic at a crowded crossing often wear a mask. Statement II: Mask filters carbon dioxide and sends pure oxygen inside. |
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Answer» Statement I: Policemen regulating traffic at a crowded crossing often wear a mask. Statement II: Mask filters carbon dioxide and sends pure oxygen inside. |
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| 1225. |
Separation of coconut oil and water is done by- |
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Answer» Separation of coconut oil and water is done by- |
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| 1226. |
Describe the changing relationship between the author and his grandmother. Did their feelings for each other change? |
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Answer» Describe the changing relationship between the author and his grandmother. Did their feelings for each other change? |
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| 1227. |
In a solution, is the solute always a solid. |
| Answer» In a solution, is the solute always a solid. | |
| 1228. |
Fill up the blanks(a) The method of separating seeds of paddy from its stalks is called ________.(b) When milk, cooled after boiling, is poured onto a piece of cloth the cream (malai) is left behind on it. This process of separating cream from milk is an example of _________.(c) Salt is obtained from sea water by the process of __________.(d) Impurities settled at the bottom when muddy water was kept overnight in a bucket. The clear water was then poured off from the top. The process of separation used in this example is called _________. |
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Answer» Fill up the blanks (a) The method of separating seeds of paddy from its stalks is called ________. (b) When milk, cooled after boiling, is poured onto a piece of cloth the cream (malai) is left behind on it. This process of separating cream from milk is an example of _________. (c) Salt is obtained from sea water by the process of __________. (d) Impurities settled at the bottom when muddy water was kept overnight in a bucket. The clear water was then poured off from the top. The process of separation used in this example is called _________. |
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| 1229. |
What is the substance used for special effects and mist effects in dramas? |
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Answer» What is the substance used for special effects and mist effects in dramas? |
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| 1230. |
Define simmering of butter |
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Answer» Define simmering of butter |
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| 1231. |
Out of the following options, which group of substances is made from the same material? |
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Answer» Out of the following options, which group of substances is made from the same material? |
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| 1232. |
Total charge required to convert 2 mole FeCr_2O_4(chromate ore) into Fe_2O_{3 }and CrO_4^{-2} in basic medium is |
| Answer» Total charge required to convert 2 mole FeCr_2O_4(chromate ore) into Fe_2O_{3 }and CrO_4^{-2} in basic medium is | |
| 1233. |
Identify the different deposits and kind of rocks. [3 MARKS] |
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Answer» Identify the different deposits and kind of rocks. [3 MARKS] |
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| 1234. |
If 50gm of sugar is mixed in water of 100 ml then why is not the conclusion ''matter is made up of particles''true? |
| Answer» If 50gm of sugar is mixed in water of 100 ml then why is not the conclusion ''matter is made up of particles''true? | |
| 1235. |
Question 6The pH range most conducive for life of fresh water plants and animals is(a) 6.5 – 7.5(b) 2.0 – 3.5(c) 3.5 – 5.0(d) 9.0 – 10.5 |
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Answer» Question 6 The pH range most conducive for life of fresh water plants and animals is (a) 6.5 – 7.5 (b) 2.0 – 3.5 (c) 3.5 – 5.0 (d) 9.0 – 10.5 |
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| 1236. |
a body of density rho is floating in a liquid half immersed of density sigma in equilibrium.if it displaces through a small distance and released to execute shm.the time period is |
| Answer» a body of density rho is floating in a liquid half immersed of density sigma in equilibrium.if it displaces through a small distance and released to execute shm.the time period is | |
| 1237. |
Urea is a _________ fertilizer. |
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Answer» Urea is a _________ fertilizer. |
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| 1238. |
In a physical change, which of the following takes place? (i) No new substance is formed. (ii) The change is permanent. (iii) The change is temporary. (iv) Change in size, shape or appearance. |
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Answer» In a physical change, which of the following takes place? |
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| 1239. |
What is the term given for the process which converts solid coal into liquid hydrocarbon fuel? |
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Answer» What is the term given for the process which converts solid coal into liquid hydrocarbon fuel? |
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| 1240. |
Synthetic fibres dry faster than cotton or wool. True or false? |
| Answer» Synthetic fibres dry faster than cotton or wool. True or false? | |
| 1241. |
Name the elements which form water. State three characteristics of water to justify that it is a compound. |
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Answer» Name the elements which form water. State three characteristics of water to justify that it is a compound. |
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| 1242. |
What are natural threads? |
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Answer» What are natural threads? |
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| 1243. |
The layer of air around earth is known as ___ |
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Answer» The layer of air around earth is known as |
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| 1244. |
We depend on light energy for food and fuel. Explain. |
| Answer» We depend on light energy for food and fuel. Explain. | |
| 1245. |
Third moulting occurs in the life cycle of ascaris takes place in 1.soil, 2.lungs , 3.water ,4.intestine |
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Answer» Third moulting occurs in the life cycle of ascaris takes place in 1.soil, 2.lungs , 3.water ,4.intestine |
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| 1246. |
Which separation method is based on gravity? |
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Answer» Which separation method is based on gravity? |
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| 1247. |
What is precipitation in easy words |
| Answer» What is precipitation in easy words | |
| 1248. |
Give one example to show that when substances are mixed, it may result in a chemical or a physical change depending on the conditions. |
| Answer» Give one example to show that when substances are mixed, it may result in a chemical or a physical change depending on the conditions. | |
| 1249. |
A single yarn is used for making fabric by which process? |
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Answer» A single yarn is used for making fabric by which process? |
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| 1250. |
List conditions under which combustion can take place. |
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Answer» List conditions under which combustion can take place. |
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