Question

# Air is necessary for combustion. (True or False). Also write the false statements in their correct form.

A
True
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B
False
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Solution

## The correct option is A TrueCombustionCombustion is a chemical process in which a substance burns in the presence of oxygen to give off heat.The substances which undergo combustion are known as combustible substances. During combustion, heat is accompanied by light, either as a flame or as a glow.Since air is a mixture of gases and oxygen that helps in burning also called a supporter of combustion, therefore, air is necessary for combustion. Example of combustion reaction: Charcoal burns in air to give carbon dioxide and heat. $\underset{\mathrm{Carbon}}{\mathrm{C}\left(\mathrm{s}\right)}+\underset{\mathrm{Oxygen}}{{\mathrm{O}}_{2}\left(\mathrm{g}\right)}\to \underset{\mathrm{Carbon}\mathrm{dioxide}}{{\mathrm{CO}}_{2}\left(\mathrm{g}\right)}+\mathrm{Heat}$Hence, the given statement is true.

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