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WAEC Chemistry 2010 Objective — Question 48

Question 48 of 49 from the West African Examinations Council (WAEC) Chemistry 2010 Objective paper, with the correct answer and a full explanation.

Which of the following substances cannot be classified as a heavy chemical?

A. A. AgNO3
B. B. CaO
C. C. CaOCl2Correct
D. D. H2SO4

Explanation

Bleaching powder, CaOCl2, is a fine chemical, not a heavy chemical.

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