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प्रश्न
Give the importance of water in transportation.
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उत्तर
Water is a good medium for the transportation of people and goods through boats and ships.
संबंधित प्रश्न
Give the percentage of water in the following:
Bread
Give the importance of water in life processes
Give the importance of water in Fire fighting
Explain how water plays an important role in the Industry.
State whether the following statement is true or false. If false, write the correct statement.
Sodium carbonate and sodium sulphate do not form an aqueous solution.
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 |
Name two gases which are insoluble in water.
Analogy
Ground water : ______ :: Surface-water : lakes
The human body requires ______ liters of water per day for proper functioning.
Which of the following activity does not involve use of water?
