Question

What are combustible and non-combustible substances?Give two examples of each​

Answer 1

Substance that burn in air and tend to produce heat and light are known as combustible substances. For example, kerosene, petrol, diesel, compressed natural gas etc. ... On the other hand, non-combustible substances are the substances that do not undergo combustion in the presence of air.

Answer 2

What are combustible substances?

A combustible material is something that can combust (burn) in air. ... In other words, a combustible material ignites with some effort and a flammable material catches fire immediately on exposure to flame.

Ex. are Wood and Candle.

What are non-combustible substances?

A non combustible substance is that which is not capable of igniting and burning.

Examples of non - combustible materials include Portland cement concrete, gypsum concrete or magnesite.