Question

State the type of combustion taking place in the following example (a) Burning of cow dung cakes (b) Sodium exposed to air

Answer 1

sodium exposed to air..

Answer 2

The main type of combustion that will take place -

(a) Burning of cow dung cakes – slow combustion

(b) Sodium exposed to air – spontaneous combustion

Sodium is the main source which will show the combustion as soon as it is exposed to air.

It is kept in the kerosene oil to avoid this.