McqMate
| Q. |
Washing soda is - |
| A. | sodium sulphite |
| B. | sodium bicarbonate |
| C. | sodiun carbonate |
| D. | sodium biosulphite |
| Answer» C. sodiun carbonate | |
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Explanation: Sodium carbonate (also known as washing soda, soda ash and soda crystals, and in the monohydrate form as crystal carbonate), Na2CO3, is the water-soluble sodium salt of carbonic acid. |
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