Which of the following does not affect the rate of a chemical reaction?

Chemistry

WAEC 1988

A. Addition or presence of a catalyst
B. Size of the reacting particles
C. The enthalpy change for the reaction
D. Concentration of the reactants
E. Temperatureat which the reaction is carried out

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Correct Answer: Option C

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Which of the following does not affect the rate of a chemical reaction?

Correct Answer: Option C

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