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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.
| 151. |
From which parts of the respective plants are cotton and jute obtained? What is spinning? Name some hand operated devices used for spinning. [5 MARKS] |
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Answer» From which parts of the respective plants are cotton and jute obtained? What is spinning? Name some hand operated devices used for spinning. [5 MARKS] |
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| 152. |
Silk cloth has ____________ which cotton cloth does not. |
| Answer» Silk cloth has ____________ which cotton cloth does not. | |
| 153. |
How Will You Separate Sand and Water From Their Mixture? |
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Answer» How Will You Separate Sand and Water From Their Mixture? |
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| 154. |
Which of these is not a property of nylon?(a) light weight(b) strong(c) absorbs water(d) wrinkle free |
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Answer» Which of these is not a property of nylon? (a) light weight (b) strong (c) absorbs water (d) wrinkle free |
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| 155. |
A bottle contains either salt or chalk. How will you find out what it has, without tasting it? |
| Answer» A bottle contains either salt or chalk. How will you find out what it has, without tasting it? | |
| 156. |
Match the Column DIRECTIONS: Match Column-I with Colum –II and select the correct answer using the codes given below the columns. Column-1Column-IIA.PeatP.>85% carbonB.LigniteQ.(35−85)% carbonC.AnthraciteR.(25−35)% carbonD.BituminousS.<25% carbon |
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Answer» Match the Column |
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| 157. |
Sedimentation and decantation are useful to separate(a) immiscible liquids.(b) soluble solid from liquid.(c) insoluble solid from liquid.(d) insoluble solid from a liquid where the solid is heavier than the liquid. |
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Answer» Sedimentation and decantation are useful to separate (a) immiscible liquids. (b) soluble solid from liquid. (c) insoluble solid from liquid. (d) insoluble solid from a liquid where the solid is heavier than the liquid. |
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| 158. |
Give an example each for the mixture having the following characteristics. Suggest a suitable method to separate the components of these mixtures.(a) One of the components changes directly from solid to gaseous state.(b) Two or more coloured constituents soluble in some solvent. |
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Answer» Give an example each for the mixture having the following characteristics. Suggest a suitable method to separate the components of these mixtures. (a) One of the components changes directly from solid to gaseous state. (b) Two or more coloured constituents soluble in some solvent. |
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| 159. |
How is the level of oxygen maintained in the atmosphere |
| Answer» How is the level of oxygen maintained in the atmosphere | |
| 160. |
What will be the atomicity of: a) The molecule which we consume during respiration and released during photosynthesis. b) The red coloured element which we use in matchboxes. c) The pale blue gas which forms a layer that absorbs sun's UV radiation. |
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Answer» What will be the atomicity of: a) The molecule which we consume during respiration and released during photosynthesis. b) The red coloured element which we use in matchboxes. c) The pale blue gas which forms a layer that absorbs sun's UV radiation.
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| 161. |
Bpt therom |
| Answer» Bpt therom | |
| 162. |
On rusting of iron it completely converts into Fe2O3. If a sample of pure iron gains 10% in weight due to partial rusting . Calculate the fraction of iron rusted ? |
| Answer» On rusting of iron it completely converts into Fe2O3. If a sample of pure iron gains 10% in weight due to partial rusting . Calculate the fraction of iron rusted ? | |
| 163. |
Choose the correct expression for Kc, for the given reactionZn(s)+2HCl(aq)⇌ZnCl2(aq)+H2(g) |
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Answer» Choose the correct expression for Kc, for the given reaction |
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| 164. |
Which of the following has maximum freezing point is(1) Pure H2O(3) 0.01 M NaCI (aq)(2) 0.1 M NaCI (aq)(4) 0.5 M NaCI (aq) |
| Answer» Which of the following has maximum freezing point is(1) Pure H2O(3) 0.01 M NaCI (aq)(2) 0.1 M NaCI (aq)(4) 0.5 M NaCI (aq) | |
| 165. |
Why freezing point decreases when non volatile salute is added to solution |
| Answer» Why freezing point decreases when non volatile salute is added to solution | |
| 166. |
How did people in Jaisalmer conserve water in olden days? |
| Answer» How did people in Jaisalmer conserve water in olden days? | |
| 167. |
If oil is spread on paper, explain how will the objects on the other side appear? |
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Answer» If oil is spread on paper, explain how will the objects on the other side appear? |
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| 168. |
Which of the following statements about Rayon is correct? |
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Answer» Which of the following statements about Rayon is correct? |
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| 169. |
The lower end of a capillary tube is dipped in water . Water rises upto height 10 cm . The tube is broken upto 8 cm . Then new angle of contact will be |
| Answer» The lower end of a capillary tube is dipped in water . Water rises upto height 10 cm . The tube is broken upto 8 cm . Then new angle of contact will be | |
| 170. |
What is the difference between STP and NTP? Explain in detail. |
| Answer» What is the difference between STP and NTP? Explain in detail. | |
| 171. |
How is silk obtained? |
| Answer» How is silk obtained? | |
| 172. |
49.In a process, the molar heat …of a diatomic gas is 10R/3. When heat Q is supplied to the gas, then the work done by the gas is (1) 2Q/3 (2) 3Q/4 (3) Q/4 (4) Q/3 |
| Answer» 49.In a process, the molar heat …of a diatomic gas is 10R/3. When heat Q is supplied to the gas, then the work done by the gas is (1) 2Q/3 (2) 3Q/4 (3) Q/4 (4) Q/3 | |
| 173. |
Find the odd one out from the following:(i) Chair, Bed, Table, Baby, Cupboard(ii) Rose, Jasmine, Boat, Marigold, Lotus(iii) Aluminium, Iron, Copper, Silver, Sand(iv) Sugar, Salt, Sand, Copper sulphate |
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Answer» Find the odd one out from the following: (i) Chair, Bed, Table, Baby, Cupboard (ii) Rose, Jasmine, Boat, Marigold, Lotus (iii) Aluminium, Iron, Copper, Silver, Sand (iv) Sugar, Salt, Sand, Copper sulphate |
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| 174. |
Question 1 (a)Which separation techniques will you apply for the separation of the following? a. Sodium chloride from its solution in water. |
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Answer» Question 1 (a) Which separation techniques will you apply for the separation of the following? a. Sodium chloride from its solution in water. |
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| 175. |
Threshing is used for: |
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Answer» Threshing is used for: |
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| 176. |
Question 1What advantage does a terrestrial organism have an aquatic organism with regard to obtaining oxygen for respiration? |
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Answer» Question 1 |
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| 177. |
Name the process through which plants release water vapour into the atmosphere. [1 MARK] |
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Answer» Name the process through which plants release water vapour into the atmosphere. [1 MARK] |
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| 178. |
___ is the technique used to separate salt from sea water. |
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Answer» |
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| 179. |
Changes that are harmful to us are |
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Answer» Changes that are harmful to us are |
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| 180. |
Identify the process 'X' and 'Y' in the below image from the given options. |
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Answer» Identify the process 'X' and 'Y' in the below image from the given options.
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| 181. |
Question 3What are natural fibres? Explain with examples. |
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Answer» Question 3 What are natural fibres? Explain with examples. |
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| 182. |
'नमक का दारोगा' कहानी के कोई दो अन्य शीर्षक बताते हुए उसके आधार को भी स्पष्ट कीजिए। |
| Answer» 'नमक का दारोगा' कहानी के कोई दो अन्य शीर्षक बताते हुए उसके आधार को भी स्पष्ट कीजिए। | |
| 183. |
Can gas be considered as fluid? |
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Answer» Can gas be considered as fluid? |
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| 184. |
Why a tennis ball bounces more than that of a leather or glass ball ?? |
| Answer» Why a tennis ball bounces more than that of a leather or glass ball ?? | |
| 185. |
How is charcoal prepared ? Explain why, charcoal is a better fuel than wood. |
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Answer» How is charcoal prepared ? Explain why, charcoal is a better fuel than wood. |
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| 186. |
Rain water harvesting refers to |
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Answer» Rain water harvesting refers to |
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| 187. |
Identify the state of matter for the following substances. |
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Answer» Identify the state of matter for the following substances. |
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| 188. |
Excessive use of fertilizers and chemical pesticides is harmful. Justify. |
| Answer» Excessive use of fertilizers and chemical pesticides is harmful. Justify. | |
| 189. |
The process through which plants release moisture into the atmosphere is called ___ . |
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Answer» The process through which plants release moisture into the atmosphere is called |
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| 190. |
What happens if the ground water is used in excess? THANK YOU FOR ANSWERING |
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Answer» What happens if the ground water is used in excess? THANK YOU FOR ANSWERING |
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| 191. |
Tapendra was going to his village with his father. On his way he saw a man beating bundles of wheat He was confused as to why is he doing so? plain the mechanism of the process. |
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Answer» Tapendra was going to his village with his father. On his way he saw a man beating bundles of wheat He was confused as to why is he doing so? plain the mechanism of the process.
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| 192. |
Which of these isn't a characteristic of particles of matter? |
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Answer» Which of these isn't a characteristic of particles of matter? |
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| 193. |
Define the term diffusion. |
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Answer» Define the term diffusion. |
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| 194. |
When we change x in differentiation there is a change in y. Is it necessary that the change in y is small ? |
| Answer» When we change x in differentiation there is a change in y. Is it necessary that the change in y is small ? | |
| 195. |
What are we used for ?(a) Soil(b) Wood(c) Nylon(d) Paper(e) Rubber |
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Answer» What are we used for ? (a) Soil (b) Wood (c) Nylon (d) Paper (e) Rubber |
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| 196. |
One day Reeta went to a jeweller’s shop with her mother. Her mother gave an old gold jewellery to the goldsmith to polish. Next day when they brought the jewellery back, they found that there was a slight loss in its weight. Can you suggest a reason for the loss in weight? |
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Answer» One day Reeta went to a jeweller’s shop with her mother. Her mother gave an old gold jewellery to the goldsmith to polish. Next day when they brought the jewellery back, they found that there was a slight loss in its weight. Can you suggest a reason for the loss in weight? |
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| 197. |
What is rainwater harvesting? What are the two ways in which it can be done? |
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Answer» What is rainwater harvesting? What are the two ways in which it can be done? |
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| 198. |
Who can we separate salt and sugar which is mixed in water |
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Answer» Who can we separate salt and sugar which is mixed in water |
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| 199. |
Choose the incorrect pair.(a) cactus-desert(b) germs-air(c) water lily-sea(d) frog-pond |
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Answer» Choose the incorrect pair. (a) cactus-desert (b) germs-air (c) water lily-sea (d) frog-pond |
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| 200. |
When sugar dissolves in water, it disappears. That means it must have changed into a new substance. Therefore, dissolving is a chemical change. Do you agree? Give reasons. |
| Answer» When sugar dissolves in water, it disappears. That means it must have changed into a new substance. Therefore, dissolving is a chemical change. Do you agree? Give reasons. | |
