Question

hydrogen burns in oxygen forms water​

Answer 1

Answer:

The burning of hydrogen gas with oxygen gas to form water molecules is a combustion reaction as it is combustion of hydrogen in the presence of oxygen gas. It can also be called as combination reaction of hydrogen and oxygen gas resulting in forming water.

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Answer 2

this case hydrogen combines with the free oxygen in normal air , with oxygen molecules for each two hydrogen creating H2O and water is releasing and bunch energy as flame. is also called combination reaction.

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