Give examples of substances which do not burn. Why do they not burn? [3 MARKS]

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Solution

Examples : 2 Marks
Reason : 1 Mark

Glass, concrete, mud, carbon dioxide and water are example of some substances which do not burn. These substances are also called non-combustible substances.

These substances are non-combustible since they have very less affinity for oxygen and hence do not react with oxygen which is required for a combustion reaction.

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