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प्रश्न
State whether the following statement is true or false. If false, write the correct statement.
Respiration uses up water from the atmosphere.
पर्याय
True
False
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उत्तर
False
Correct Statement: Respiration add up water to the atmosphere.
संबंधित प्रश्न
Give the percentage of water in the following:
Eggs
Give the percentage of water in the following:
Bread
Give the importance of water in household purpose
State whether the following statement is true or false. If false, write the correct statement.
If ‘X’ g. of solute is added to 100 g. of water at t°C and the solution formed is a saturated solution, then ‘X’ g. is the solubility of the solute.
State whether the following statement is true or false. If false, write the correct statement.
On boiling water exists in the liquid state.
Match the statements in List I, 1-10 with their correct answer in List II, A to J.
| List I | List II |
| 1. Sodium carbonate and water | A: Seawater |
| 2. Chemical used in sedimentation during purification of water | B: The preferred place for an organism |
| 3. vapourisation | C: Liquid state |
| 4. Kerosene and water | D: Aqueous solution |
| 5. A solution which can dissolve more of solute at a given temperature | E: Dissolved gases and minerals |
| 6. Water as a habitat for marine life | F: Unsaturated solution |
| 7. A water-borne disease | G: Immiscible mixture |
| 8. Existence of water between 0°C and 100°C | H: Liquid to a gaseous state |
| 9. Taste in water is due to | I: Dysentery |
| 10. The most impure form of water | J: Alum |
Explain the meaning of the following term:
The gaseous state of water in the air
Name the following
The natural process by which circulation of water takes place from the earth’s surface to the atmosphere and back to the earth’s surface.
Analogy:
Napier Bridge area: ______:: Pallikkaranai: Wet land.
How do the areas covered with concrete affect the availability of ground water?
