An equilibrium, that is attained through a chemical change is known as a chemical equilibrium.
CH 6 STUDY OF THE FIRST ELEMENT – HYDROGEN
A reaction in which oxidation and reduction take place simultaneously is known as Redox reaction.
A reducing agent is one that reduces other substances either by providing electrons, or by providing hydrogen or an electropositive ion, or by removing oxygen or an electronegative ion.
An Oxidising agent is one that oxidizes other substances either by accepting electrons or by providing oxygen or an electronegative ion, or by removing hydrogen or an electropositve ion.
Reduction is a reaction in which a compound is deprived of all, or part, of the oxygen it contains.
Oxidation is a reaction in which oxygen combines with another substance, either wholly or in part.