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

UP POLICE ASI CLERK Mock Test Set 3, Q79: Identify the correct answer for gas used in many electrical fire extinguishers.

A. Nitrogen dioxide
B. Carbon dioxide
C. Hydrogen
D. Oxygen
Correct Answer: B. Carbon dioxide
Explanation: CO2 does not support combustion. Category: UP POLICE ASI CLERK. Set: 3.
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