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JAMB Chemistry 2010 Objective — Question 17

Question 17 of 50 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2010 Objective paper, with the correct answer and a full explanation.

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17. Carbon (II) oxide is considered dangerous if inhaled mainly because it A. competes with carbon (IV) oxide in the blood B. can cause lung cancer C. can cause injury to the nervous system D. competes with oxygen in the blood

  • A. competes with carbon (IV) oxide in the blood
  • B. can cause lung cancer
  • C. can cause injury to the nervous system
  • D. competes with oxygen in the bloodCorrect

Explanation

Carbon (II) oxide (CO) is dangerous because it competes with oxygen for attachment to haemoglobin, resulting in insufficient availability of oxygen in the blood.

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