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In the above experiment X is?

Chemistry
JAMB 1980

In the above experiment X is?

  • A. pure nitrogen
  • B. a mixture of nitrogen and oxygen
  • C. a mixture of nitrogen and carbondioxide
  • D. a mixture of oxygen and inert gases
  • E. a mixture of nitrogen and inert gases
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Correct Answer: Option E
Explanation

Alkaline solutions of pyrogallol absorb oxygen efficiently and are used in determining the oxygen content of gas mixtures.

 calcium chloride absorbs sufficient moisture/water from the air.

So,Nitrogen and Inert gases will be left 

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