Define combustible and non-combustible materials with examples

CBSE Class 8 CBSE Class 8 Science
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Define combustible and non-combustible materials with examples.

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Combustible substances : Those substances which undergo combustion or burn are called combustible substances.

For example: Paper, cloth, cooking gas (LPG), CNG, Kerosene oil, wood, charcoal, etc.

Non-Combustible substances : Those substances which do not undergo combustion are called combustible substances.

For example: Stone, cement, bricks, soil, sand, water, iron nails, etc.