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  9. Q15
Question 15

Which of the following gases is NOT a constituent of air?

  • A.Carbon(IV)oxide
  • B.Hydrogen
  • C.Nitrogen
  • D.Noble gases
  • E.Water vapour
Objective

Question details

Exam body
BECE
Subject
Basic Science
Year
2012 Paper 1
Question no.
#15
Type
Objective
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