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प्रश्न
Give one word for the following statement :
The change of states of water from one form to another .
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उत्तर
The change of states of water from one form to another water cycle.
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संबंधित प्रश्न
State the importance of water cycle in nature.
Give balanced chemical equation for the reaction of water with Sodium .
Match the statements in column A with that in column B.
| Column A | Column B |
| (a) deliquescent substance | (1) sodium bicarbonate |
| (b) hygroscopic substance | (2) magnesium chloride |
| (c) efflorestance substance | (3) conc. sulphuric acid |
| (d) substance causing temporary hardness | (4) washing soda |
Explain why:
Air dissolved in water contains a higher proportion of oxygen.
Which are the three states of water?
37% of our brain‛s mass consists of water.
________ of water is in oceans and seas.
______ plays a vital role in the evolution and survival of life.
Open drain system is a breeding place for which of the following?
Think and suggest some ways to minimise waste and pollutants at their source, taking your home as an example.
