Question 0

The nitrogen gas obtained by burning an excess of phosphorus in air has a density higher than the nitrogen from nitrogen compounds because the nitrogen from air is contaminated with?

  • A.some unburnt phosporus
  • B.P2O5 vapour
  • C.some oxygen
  • D.rare gases
  • E.carbondioxide
Objective

Question details

Exam body
JAMB
Subject
Chemistry
Year
1982
Question no.
#0
Type
Objective

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