JAMB Chemistry 2012 Objective — Question 13
Question 13 of 50 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2012 Objective paper, with the correct answer and a full explanation.
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Air has a varied composition from one place to another; its constituents can be separated by physical means; it contains unreactive noble gases. Which of the above shows that air is a mixture?
- A. I and II only
- B. II and III only
- C. I and III only
- D. I, II and IIICorrect
Explanation
Air's varied composition, physical separability, and its unreactive noble gas content are all evidence supporting that air is a mixture.
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