What is the chemical formula of washing soda ?
What is the chemical formula of washing soda ?
A. Na2CO3.10H2O
B. Na2CO3.7H2O
C. Na2CO3.5H2O
D. Na2CO3.H2O
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What is the chemical formula of washing soda ?
A. Na2CO3.10H2O
B. Na2CO3.7H2O
C. Na2CO3.5H2O
D. Na2CO3.H2O