Question

Fire plays a very important role in our daily life. It is necessary for combustion. But it needs to be handled with care. For good combustion, there are various factors as for incomplete combustion.
(a)Sand is used to stop the fire produced by petrol, kerosene. Why?(b) What is kindling temperature?(c) Why water should not be used to extinguish fire caused by electric short circuits?
(d) How incomplete combustion affects the human health?​

Answer 1

Answer:

A.SAND IS USED TO PUT OUT FIRE.BECAUSE IT IS A NON-COMBUSTIBLE MATERIAL.IT WILL NOT BURN AND DUE TO LACK OF OXYGEN BY SAND PETROL AND KEROSENE STOPS BURNING.

B.IDK

C.WATER IS CONDUCTOR OF ELECTRICITY I MAY GIVE SHOCK TO OTHER PERSON NEAR.

D.IDK