| Column A | Column B | ||
| (a) | Metals | (i) | Non-Reactive |
| (b) | Molecules | (ii) | Brittle |
| (c) | Non-Metals | (iii) | Lustrous |
| (d) | Noble Gases | (iv) | Smallest unit of Compound |
| Column A | Column B | ||
| (a) | Metals | (iii) | Lustrous |
| (b) | Molecules | (iv) | Smallest unit of Compound |
| (c) | Non-Metals | (ii) | Brittle |
| (d) | Noble Gases | (i) | Non-Reactive |
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| List 1 | List 2 | ||
| 1 | The process which involves oxidation of food substance in living organisms | A | Helium |
| 2 | The component of air which finds application in observation balloons | B | Carbon dioxide |
| 3 | The process which involves oxidation of substances, liberating heat and light energy | C | Respiration |
| 4 | The component of air which is heavier than air and fairly soluble in water | D | Combustion |
| Column A | Column B |
| 1. Oxygen | a. needed for photosynthesis |
| 2. Nitrogen | b. supports combustion |
| 3. Carbon dioxide | c. hydrated iron oxide |
| 4. Water vapour | d. helps in protein synthesis |
| e. determines climatic conditions |
| List I | List II |
| 1. Are highly rigid and have a definite shape | A: Gases only |
| 2. Have no definite shape | B: Solids only |
| 3. Have definite volume but no definite shape | C: Liquids and gases only |
| 4. Are highly compressible and least rigid | D: liquids only |
| Column A | Column B |
| (a) Iron stand | (i) To boil chemicals |
| (b) Test tube | (ii) To keep solution |
| (c) Funnel | (iii) To stir the solution |
| (d) Beaker | (iv) To support apparatus |
| (e) Glass rod | (v) To transfer the liquids |
| Column A | Column B | ||
| a | Solids | 1 | Can flow in all directions |
| b | Sublimination | 2 | The temperature at which a liquid changes into its gaseous state |
| c | Boiling Point | 3 | Can have any number of free surfaces |
| d | Gases | 4 | Change of state from solid to gas |
| Column A | Column B | ||
| (a) | Marie Curie | (i) | Safety Lamp |
| (b) | John dalton | (ii) | Helium |
| (c) | William Ramsey | (iii) | Nobel Prize Winner (two times) |
| (d) | Sir Humphry Davy | (iv) | Atomic Theory |
| List I | List II |
| 1. Solid 'X' to a Liquid 'X' | A: Condensation |
| 2. Liquid 'Y' to its vapour 'Z' | B: Vaporization |
| 3. 'Z' to 'Y' | C: Melting |
| 4. 'Y' to 'X' | D: Freezing |
| 5. The temperature at which 'Y' changes to 'Z' | F: Boiling point |
| Column A | Column B |
| 1. The products of combustion of a fuel. | (a) 78% |
| 2. Percentage of oxygen in air, | (b) Carbon dioxide |
| 3. Percentage of nitrogen present in air. | (c) LPG |
| 4. A gas present in air which turns limewater milky. | (d) Water and carbon dioxide |
| (e) 21% |
| 1. Smallest unit of a compound | a. molecule |
| 2. Sulphur | b. noble gas |
| 3. Helium | c. non-metal |
| 4. A diatomic molecule | d. hydrogen |
| Column A | Column B |
| 1. The process in which a solid changes into a liquid. | (a) Brownian movement |
| 2. The process in which a liquid changes into a gas. | (b) Condensation |
| 3. The process in which a gas changes into a liquid. | (c) Melting |
| 4. The process in which a liquid changes into a solid. | (d) Boiling |
| (e) Freezing |