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प्रश्न
Match the important chemicals given in Column (A) with the chemical formulae given in Column (B)
| Column (A) | Column (B) |
| (a) Plaster of Paris | Ca(OH)2 |
| (b) Gypsum | CaSO4. 1/2 H2O |
| (c) Bleaching Powder | CaSO4.2H7O |
| (d) Slaked Lime | CaOCl2 |
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उत्तर
| Column (A) | Answer |
| (a) Plaster of Paris | CaSO4. 1/2 H2O |
| (b) Gypsum | CaSO4.2H7O |
| (c) Bleaching Powder | CaOCl2 |
| (d) Slaked Lime | Ca(OH)2 |
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