PDF chapter test TRY NOW
Answer variants:
Softening hard water
Food preservative
Disinfectant
Production of statue casts
Making breads
Q.No. | Chemical compounds | Uses |
1. | Sodium hydrogen carbonate | |
2. | \(NaCl\) | |
3. | \(Na_2CO_3\) | |
4. | Calcium sulphate hemihydrate | |
5. | \(CaOCl_2\) |
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