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JAMB Chemistry 2013 Question 12

Question 12

Air

The constituent of air that acts as a diluent is

  1. A.nitrogen.
  2. B.carbon(IV)oxide.
  3. C.noble gases.
  4. D.oxygen.
Show the answer and explanation

Answer: A (nitrogen.)

Explanation

Nitrogen (about 78% of air) is unreactive and dilutes the oxygen, slowing down burning and respiration.