Advertisements
Advertisements
प्रश्न
Why do wet clothes placed on a clothes line get dry after some time? Explain.
उत्तर
After a while, wet clothing is hung out to dry because the sun's heat helps the water to evaporate. Evaporation is the process of converting liquid water into water vapour.
APPEARS IN
संबंधित प्रश्न
Give the percentage of water in the following:
Tomatoes
Give the percentage of water in the following:
Watermelon
Give the importance of water in life processes
Give the importance of water in household purpose
Complete the statement by filling in the blank with the correct words.
Water fit for human consumption and drinking purposes is called ____________.
State whether the following statement is true or false. If false, write the correct statement.
Water finds application as a means of transporting goods.
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
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.
