Which of these reactions is a combustion reaction?

B decomposition of water is the answer

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Burning of wood

Explanation:

Burning of wood is a combustion reaction. The burning of a wood is an example of combustion reaction.

It can be defined as the burning of substance at temperature that it releases energy and heat. The necessary condition is oxygen.

This is a redox exothermic reaction at high temperature. Sometimes smoke is also produced during this reaction.

It is the combustion of fuels that releases energy so that heavy machines and equipment run in order to perform various functions.

phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.