Which one among the following chemicals is used as washing soda?
- A.Calcium carbonate
- B.Calcium bicarbonate
- C.Sodium carbonate
- D.Sodium bicarbonate
Show answer
Washing soda is the crystalline form of sodium carbonate, Na2CO3·10H2O, sodium carbonate decahydrate. Sodium carbonate is made from common salt by the Solvay (ammonia-soda) process.
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