Post-UTME Chemistry 2008 Objective — Question 5
Question 5 of 10 from the Post-UTME Screening (Post-UTME) Chemistry 2008 Objective paper, with the correct answer and a full explanation.
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Powdered marble reacts faster with hydrochloric acid solution than the granular form because the powdered form has
- A. more molecules
- B. more atoms
- C. larger surface areaCorrect
- D. relatively large mass
Explanation
A larger surface area means more contact between reactants, speeding up the reaction.
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