Question

Which factor does not usually increase the rate of reaction?

increasing surface area

lowering temperature

adding a catalyst

stirring a mixture

Answer 1

the answer is lowering temperature

Step-by-step explanation:

gradpoint said so

Answer 2

The correct answer is LOWERING TEMPERATURE... Other factors listed, such as increase in surface area, adding a catalyst, and stirring a mixture would cause an increase in the rate of a reaction, however, a decrease in temperature will reduce the rate of a reaction, and not increase it.