JAMB Chemistry 2010 Objective — Question 29

Question 29 of 50 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2010 Objective paper, with the correct answer and a full explanation.

The graph above demonstrates the effect of

A. pressure on the rate of reaction
B. concentration on the rate of reaction
C. surface area on the rate of reactionCorrect
D. catalyst

Explanation

The graph shows that the reaction will be faster when powdered marble is used than when marble chips are used, because the powdered marble offers a larger surface area for the reaction to occur.

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