Q. 604.2( 5 Votes )
which of the following statement is not correct about carbondioxide acting as a fire extinguisher for electrical fires?
A. it is heavier than air
B. it is lighter than air
C. it is not combustion
D. it does not support combustion
Carbon dioxide is lighter than air and forms a layer around the burning substance. It covers the fire like a blanket due to which fresh air cannot reach the burning substance.
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