Which of the following combinations of conditions may increase the rate of a chemical reaction?
A. Decrease in temperature, increase in concentration of the reactants B. Increase in temperature, addition of a catalyst, decrease in the surface area of the reactants C. Increase in temperature, increase in concentration, addition of a catalyst and increase in the surface area of the reactants D. Decrease in temperature concentration and surface area of the reactants E. Additionof a catalyst and in the absence of light
Correct Answer: C
Explanation
Increase in temperature, increase in concentration, increase the rate of chemical reaction
