Question

(a) What is meant by 'combustion' ? Explain with an example.

(b) What are the conditions necessary for combustion to take place ?

Answer 1

(a).
A reaction in which a hydrocarbon reacts with oxygen to form carbon dioxide
, water, heat and light

$\underset{Methane}{C{H}_4}+\underset{oxygen}{O_2}\to \underset{Carbondioxide}{C{O}_2}+\underset{water}{H_{2}O}+heat+light$

A reaction in which a substance reacts with oxygen present in the air to light.
Ex-Burning of magnesium ribbon,Burning of wood.

(b).

1.supply of oxygen
2 combustible material.
3. ignition temperature