Which of the following is NOT a way to speed up a chemical reaction? (Select all that apply)

there are only 4 answers
a
increasing the concentration of one of the reactants
b
decreasing the temperature of one of the reactants
c
decreasing the surface area of one of the reactants
d
increasing the temperature of one of the reactants

1 answer

The options that are NOT ways to speed up a chemical reaction are:

b) decreasing the temperature of one of the reactants
c) decreasing the surface area of one of the reactants

Therefore, the correct selections are b and c.