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Combustion Reactions

A chemical pr...

Question

A chemical process in which a substance reacts with oxygen to give off heat is______

A

respiration

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B

combustion

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C

explosion

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D

conduction

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Solution

The correct option is A combustion
A chemical process in which a substance reacts with oxygen to give off heat is combustion.
For example, when C is burnt in excess air, it gives carbon dioxide and heat.
$C + O_{2} \to C O_{2} +$ heat

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