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UP POLICE COMPUTER OPERATORUP POLICE COMPUTER OPERATOR Hard Mock Set 4Hard GK

UP POLICE COMPUTER OPERATOR Mock Test Set 4, Q29: Identify the correct answer for gas used in many electrical fire extinguishers.

A. Carbon dioxide
B. Hydrogen
C. Oxygen
D. Nitrogen dioxide
Correct Answer: A. Carbon dioxide
Explanation: CO2 does not support combustion. Category: UP POLICE COMPUTER OPERATOR. Set: 4.
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