WAEC Chemistry 2011 Objective — Question 22
Question 22 of 50 from the West African Examinations Council (WAEC) Chemistry 2011 Objective paper, with the correct answer and a full explanation.
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A gas that is collected by upward delivery is likely to be
- A. A. heavier than air
- B. B. insoluble in water
- C. C. lighter than airCorrect
- D. D. soluble in water
Explanation
When a gas is collected by upward delivery, it must be less dense (lighter) than air. A gas denser than air is collected by downward delivery.
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