Advertisements
Advertisements
Question
Give the percentage of water in the following:
Watermelon
Advertisements
Solution
Percentage of water in Watermelon : 97%
APPEARS IN
RELATED QUESTIONS
Give the importance of water in life processes
Give the importance of water in household purpose
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)
State whether the following statement is true or false. If false, write the correct statement.
Water finds application as a means of transporting goods.
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.
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.
