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प्रश्न
Give one word for the following statement:
The harmful substances dissolved in water .
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उत्तर
The harmful substances dissolved in water impurities.
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संबंधित प्रश्न
Give balanced chemical equation for the reaction of water with Sodium .
Give balanced chemical equation for the reaction of water with Iron .
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 |
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Explain rain water harvesting.
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In the coastal areas, wind current moves from the sea towards the land during the day; but during the night it moves from land to the sea. Discuss the reason.
A jumbled word is given here. Write the correct form of the word.
WOSN
