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प्रश्न
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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उत्तर
| Column A | Column B |
| (a) deliquescent substance | (2) magnesium chloride |
| (b) hygroscopic substance | (3) conc. sulphuric acid |
| (c) efflorestance substance | (4) washing soda |
| (d) substance causing temporary hardness | (1) sodium bicarbonate |
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