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What is the formula of washing soda?
ANa2CO3·10H2O
BNa2CO3·H2O
CNaHCO3·10H2O
DNa2CO3·7H2O
Answer & Solution
Correct answer: A. Na2CO3·10H2O
Washing soda is the decahydrate of sodium carbonate, with ten waters of crystallisation.
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