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JAMB Chemistry 2014 Objective — Question 11

Question 11 of 50 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2014 Objective paper, with the correct answer and a full explanation.

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The higher density of nitrogen obtained from air is due to the presence of

  • A. noble gasesCorrect
  • B. oxygen
  • C. carbon dioxide
  • D. water vapour

Explanation

Noble gases are also known as inert, rare or unreactive gas, and their presence in air-derived nitrogen accounts for its slightly higher density.

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