Question

In a combustion reaction, one of the reactants is _____.

water
oxygen
carbon dioxide
a metal

Answer 1

The answer is oxygen

Answer 2

Answer: oxygen

Step-by-step explanation:

Combustion is a type of chemical reaction in which fuel is reacted with oxygen to form carbon dioxide and water.

Example:

`C_6H_(12)O_6+O_2 \rightarrow CO_2+H_2O`

Reactants of a chemical reaction is defined as the substances which take part in a chemical reaction and undergoes a chemical change. Reactants are written on left side of the arrow.

Thus glucose and oxygen are reactants of combustion reaction.

Products are defined as the substance which are formed at the end of the chemical reaction.Products are written on the right side of the arrow.

Thus carbon dioxide and water are products of combustion reaction.