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| Q.1 | Which of the following pairs of ‘common name – chemical name’ is/are correctly matched? I. Baking soda – Sodium hydrogencarbonate II. Bleaching powder – calcium sulphate hemihydrate | |
| Ans | 1. Neither I nor II | |
| 2. Both I and II | ||
| 3. Only I | ||
| 4. Only II |
Correct Ans Provided: 3
