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प्रश्न
From where do the following usually get water? In which form is water present in them?
Clouds
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उत्तर
Clouds get water from the atmosphere. Water in the clouds is present in liquid form as droplets of water.
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संबंधित प्रश्न
Name the gas produced when a piece of calcium is added to water.
Give balanced chemical equations to show the reaction between Coke and steam.
What will happen if the total supply of potable water is finished?
Give the importance of dissolved minerals & salts.
Give a balanced equation for the following conversion:
Calcium sulphate in permanent hard water to calcium carbonate using sodium carbonate.
Define ‘eutrophication’.
State the importance of water for all general uses.
Give a reason for the following:
A crusty ‘boiler scale’ is formed in boilers, when hard water is used.
Differentiate between the following:
Natural water and treated water
True or false? Correct the wrong statement.
We get rainwater throughout the year.
________ of water is in oceans and seas.
What is the source of water in the following?
Wells
Match Column I with Column II
| Column I | Column II | ||
| (a) | Ground water | (i) | Solid form of water |
| (b) | Bawri | (ii) | Wastage of water |
| (c) | Snow | (iii) | Water management |
| (d) | Drip irrigation | (iv) | Small water |
| (e) | Leaking taps | (v) | Water table |
Match the items of Column I with the items of Column II with reference to sewage.
| Column I | Column II | ||
| (a) | Inorganic impurities | (i) | phosphorus and nitrogen |
| (b) | Organic impurities | (ii) | nitrates and phosphates |
| (c) | Nutrients | (iii) | cholera and typhoid |
| (d) | Bacteria | (iv) | pesticides and herbicides |
What is water?
In which of the following activities will you use minimum amount of water?
Wells are fed by ______.
