Advertisements
Advertisements
प्रश्न
Name two gases which are insoluble in water.
Advertisements
उत्तर
The gases which are not soluble in water are Nitrogen, hydrogen
संबंधित प्रश्न
Give the percentage of water in the following:
Rice and wheat grains
What is water cycle? What is its importance?
Why is water important for plants and animals?
Give the importance of water in life processes
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)
Complete the statement by filling in the blank with the correct words.
Water fit for human consumption and drinking purposes is called ____________.
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 |
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 ______.
Which of the following activity does not involve use of water?
Transpiration is a process in which plants ______.
