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When glowing splint is inserted into the mouth of a jar containing a gas, the...

Chemistry
JAMB 1981

When glowing splint is inserted into the mouth of a jar containing a gas, the splint is extinguished. The gas gives a white precipitate when passing into barium hydroxide. The gas is?

  • A. methane
  • B. hydrogen chloride
  • C. hydrogen
  • D. nitrogen
  • E. carbondioxide
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Correct Answer: Option E
Explanation

Co2 does not support combustion, it is used in fire extinguishers and when it is passed into a solution of barium hydroxide,  a white precipitate of barium carbonate is formed


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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts