Question

H2 + O2 --------> H2O
It is which type of chemical reaction (on basis of mass)​

Answer 1

Answer:

When two hydrogens and an oxygen share electrons via covalent bonds, a water molecule is formed. An example of a simple chemical reaction is the breaking down of hydrogen peroxide molecules, each of which consists of two hydrogen atoms bonded to two oxygen atoms (H2O2).

Answer 2

Explanation:

It is simple reaction of hydrogen oxidation.

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