What can we do to cut off the supply of air to a burning substance?

Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM

Expert Answer:

To cut off the supply of air to burning substance we can cover the surface of burning substance with sand, soil or a thick cloth like a blanket. Fire extinguishers form the layer of foam on the surface of burning substance to cut off the supply of air.

Answered by  | 4th Jun, 2014, 03:23: PM