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प्रश्न
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 |
उत्तर
| List I | List II |
| 1. Sodium carbonate and water | D: Aqueous solution |
| 2. Chemical used in sedimentation during purification of water | J: Alum |
| 3. vapourisation | H: Liquid to a gaseous state |
| 4. Kerosene and water | G: Immiscible solution |
| 5. A solution which can dissolve more of solute at a given temperature | F: Unsaturated solution |
| 6. Water as a habitat for marine life | B: A preferred place for an organism |
| 7. A water-borne disease | I: Dysentery |
| 8. Existence of water between 0°C and 100°C | C: Liquid state |
| 9. Taste in water is due to | E: Dissolved gases and minerals |
| 10. The most impure form of water | A: Seawater |
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 Fire fighting
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 ____________.
State whether the following statement is true or false. If false, write the correct statement.
Purification of water is carried out to remove – dissolved gases e.g. carbon dioxide and dissolved minerals like magnesium salts.
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.
Explain the meaning of the following term:
The gaseous state of water in the air
Analogy
Ground water : ______ :: Surface-water : lakes
Which of the following activity does not involve use of water?
