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प्रश्न
Give the percentage of water in the following:
Rice and wheat grains
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उत्तर
Percentage of water in Rice:
Rice — 3 % to 4%
Wheat grain — 3% to 4%
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संबंधित प्रश्न
Give the percentage of water in the following:
Eggs
Give the percentage of water in the following:
Watermelon
Give the importance of water in transportation.
Complete the statement by filling in the blanks with the correct words.
Water is added to the atmosphere by _____________and _____________.
(burning of fossil fuels/condensation of vapour/ respiration by living organisms/photosynthesis)
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 two gases which are soluble in water
Using R.O. (Reverse Osmosis) plant at home eliminates lot of non-potable water. The best way to effectively use the expelled water of R.O. plant is ______.
Analogy:
Napier Bridge area: ______:: Pallikkaranai: Wet land.
Which of the following activity does not involve use of water?
