JAMB Chemistry 2008 Objective — Question 12
Question 12 of 50 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2008 Objective paper, with the correct answer and a full explanation.
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Air boiled out of water as steam is richer in
- A. nitrogen and oxygen gasCorrect
- B. carbon (IV) oxide and oxygen
- C. noble gases and carbon (IV) oxide
- D. oxygen and noble gases
Explanation
Air boiled out of water as steam is richer in oxygen and nitrogen. In fact, the percentage of oxygen in water is 35.6% as against 21% in air.
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