Question

Substances that alter the rate of a chemical reaction without being used up in a chemical reaction is known as ____________.

Options

• Catalyst

• Inhibitors

• Promoters

• Poisons

Answer 1

Substances that alter the rate of a chemical reaction without being used up in a chemical reaction is known as Catalyst.

Explanation:

Catalyst only increases or decreases the activation energy of a reaction. It does not get used up in reaction.