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

a
increasing the temperature of one of the reactants
b
decreasing the temperature of one of the reactants
c
increasing the concentration of one of the reactants
d
decreasing the surface area 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
d. decreasing the surface area of one of the reactants

Both decreasing the temperature and decreasing the surface area of reactants would typically slow down a chemical reaction rather than speed it up.