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JAMB Chemistry 2009 Objective — Question 27

Question 27 of 50 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2009 Objective paper, with the correct answer and a full explanation.

In the diagram above, which of the curves represents the evolution of oxygen with time in the equation 2KClO3(s) -> 2KCl(s) + 3O2(g)?

Diagram for question 27

A. X
B. Y
C. Z
D. RCorrect

Explanation

Curve R represents the evolution of oxygen with time.

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