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Class 10 Science Medium Mcq English Medium

Washing soda has the chemical formula

Question
Washing soda has the chemical formula
Na2CO3.10H2O
NaHCO3
Na2SO4.10H2O
NaCl.2H2O
Answer
Na2CO3.10H2O
Detailed Explanation
Washing soda is hydrated sodium carbonate, with the formula Na2CO3.10H2O.
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