Question

A chemist is trying to get two substances to react, but he is unsuccessful. He knows that the two substances should react with one another. Which of the following could he do to possibly get the substances to react? (Select all that apply)

a
crush up one of the substances
b
increase the concentration of one of the substances
c
cool the substances
d
heat the substances
e
decrease the concentration of one of the substances

Answer 1

a, b, c, d, e

Answer 2

D B