Question

different between combustion and non combustion.​

Answer 1

Answer:

the substances that do not undergo combustion in the presence of air

cannot be burnt in

Explanation:

A substance which burns in air and tends to produce heat and light is known as Combustible substances. Non-combustible substances are certain substances which are not combustible in the presence of air. Will not burn on being exposed to flame.

Substance that burn in air and tend to produce heat and light are known as combustible substances. For combustion it is necessary to have fuel, heat and air. On the other hand, non-combustible substances are the substances that do not undergo combustion in the presence of air. For example, stone, glass, iron nails etc.

When a substance can burn in air and produce heat and light is known as a combustible substance. Certain substances cannot be burnt in the presence of air. Such substances are called non-combustible substances. Combustible substances can only burn if there are necessary ingredients such as heat, fuel and air.

Answer 2

Following are the difference between combustion and non-combustion:

Combustion substance:

1. As we know that the substance which burns in the air and tends to produce heat and light is known as Combustible substances.
2. Necessary ingredients – Heat, fuel and air
3. Examples – Diesel, petrol, kerosene

Non-Combustion substance:

1. As we know that the Non-combustible substances are certain substances that are not combustible in the presence of air.
2. Will not burn on being exposed to flame.
3. Examples – Glass, stones.