Question

In the context of redox reactions ,the removal of hydrogen from a substance is known as

Answer 1

Answer:

oxidation.

Gain and Loss of Oxygen

The earliest view of oxidation and reduction is that of adding oxygen to form an oxide (oxidation) or removing oxygen (reduction). They always occur together. For example, in the burning of hydrogen

2H2 + O2 -> 2H2O

the hydrogen is oxidized and the oxygen is reduced.