Question

A catalyst is a substance that does what?

A. It speeds up a chemical reaction, but is consumed in the process.

B. It slows down a chemical reaction, without being consumed in the process.

C. It speeds up a chemical reaction, without being consumed in the process.

D
It slows down a chemical reaction, but is consumed in the process.

Answer 1

The answer is C. A catalyst speeds up the rate of a chemical reaction. However, it is not consumed during the course of the day.