Question

Boojho wants to separate the following materials as combustible and non-combustible substances. Can you help him?

Answer 1

The substances that burn or catch fire easily are called combustible substances whereas the substances that do not burn or catch fire easily are called non-combustible substances.

The substances given can be classified as combustible and non-combustible substances as follows:

Combustible substances:- Charcoal, straw, cardboard, paper, candle, and wood

Non-combustible substances:- Chalk, stone, iron rod, copper coin, and glass