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UP POLICE ASI CLERKUP POLICE ASI CLERK Hard Mock Set 3Hard GK

UP POLICE ASI CLERK Mock Test Set 3, Q43: 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 ASI CLERK. Set: 3.
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