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SSC CPOSSC CPO Hard Mock Set 2Hard GK

SSC CPO Mock Test Set 2, Q93: Identify the correct answer for chemical formula of washing soda.

A. CaCO3
B. NaCl
C. Na2CO3·10H2O
D. NaHCO3
Correct Answer: C. Na2CO3·10H2O
Explanation: Washing soda is sodium carbonate decahydrate. Category: SSC CPO. Set: 2.
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