JAMB Chemistry 2020 Objective — Question 21

Question 21 of 40 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2020 Objective paper, with the correct answer and a full explanation.

21. The following gases may be dried with concentrated sulphuric acid except

A. A. NH3Correct
B. B. SO2
C. C. Cl2
D. D. N2

Explanation

Concentrated sulphuric acid cannot be used to dry ammonia (NH3) because NH3 is a base and reacts with the acid.

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