Question

2. The change of concentration of reactants or products is called,​

Answer 1

Answer:

Chemical kinetics

Explanation:

The rate of a reaction is defined at the change in concentration over time: Rate Expressions describe reactions in terms of the change in reactant or product concentrations over the change in time. The rate of a reaction can be expressed by any one of the reactants or products in the reaction.

Answer 2

Answer:

chemical reaction and their speed is called as rate of chemical reaction.