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When sodium hydroxide is heated with ammonium tetraoxosulphate (IV), the gas given off may be...

Chemistry
JAMB 1987
When sodium hydroxide is heated with ammonium tetraoxosulphate (IV), the gas given off may be collected by?
  • A. bubbling it through concentrated H2SO2
  • B. bubbling it through water and then passing it through calcium oxide
  • C. passing it directly through calcium oxide
  • D. passing it directly through calcium chloride
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Correct Answer: Option C
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