Q:- Why cannot petrol fire be extinguished by water?
Ans:- As water is heavier than petrol therefore slips down permitting the petrol to rise to the surface and continue to burn. Besides, the existing temperature is so high that the water poured on the fire evaporates even before it can extinguisher the fire. The latter is true if small quantity water is poured. Thus the petrol fire can not be extinguished by water. Continue reading “Why cannot petrol fire be extinguished by water?”