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UP POLICE COMPUTER OPERATORUP POLICE COMPUTER OPERATOR Hard Mock Set 5Hard GK

UP POLICE COMPUTER OPERATOR Mock Test Set 5, Q93: Identify the correct answer for chemical formula of washing soda.

A. NaCl
B. Na2CO3·10H2O
C. NaHCO3
D. CaCO3
Correct Answer: B. Na2CO3·10H2O
Explanation: Washing soda is sodium carbonate decahydrate. Category: UP POLICE COMPUTER OPERATOR. Set: 5.
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