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Which gas will pass into the test tube labelled II from I?

Biology
WAEC 1997
Which gas will pass into the test tube labelled II from I?
  • A. Carbon monoxide
  • B. Carbon dioxide
  • C. Oxygen
  • D. Ammonia
  • E. Nitrogen
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Correct Answer: Option B
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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