The reaction in which oxygen is added to the substance is called _______ reaction.
The reaction in which oxygen is added to the substance is called oxidation reaction.
The reaction in which hydrogen is added to substance and oxygen is removed from substance, is called __ reaction.
The reaction in which oxygen is added to a substance or hydrogen is removed from a substance, is called oxidation reaction.
Reaction in which hydrogen is added to a substance is called ______ reaction.