Question

A catalyst is a substance which :​

Answer 1

Answer:

Increase the speed of the chemical reaction but do not directly participate in that reaction

Answer 2

Answer:

Here is your answer....

Explanation:

catalyst, substance that can cause a change in the rate of a chemical reaction without itself being consumed in the reaction; the changing of the reaction rate by use of a catalyst is called catalysis. Substances that increase the rate of reaction are called positive catalysts or, simply, catalysts, while substances that decrease the rate of reaction are called negative catalysts or inhibitors.