Which of the following statement is not correct about carbon dioxide acting as a fire extinguisher for electrical fires? *
a) It is lighter than oxygen
b) It is heavier than oxygen
c) It is not combustible
d) It does not support combustion
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Answer:
It does not support combustion
Explanation:
Lighter or heavier does not matters(CO2 is heavier than O2). CO2 does not support combustion and this property makes it useful in fire extinguishers.
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