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Question

We cannot use a fire extinguisher that involves _____ as an extinguishing substance.
  1. carbon dioxide
  2. baking soda
  3. foam
  4. petrol

A
baking soda
B
foam
C
petrol
D
carbon dioxide
Solution
Verified by Toppr

We can not use petrol as a fire extinguishing substance, because petrol is a combustible liquid which on combustion produces a lot of heat energy. So petrol is not used to stop the fire.

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