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
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B.
bubbling it through water and then passing it through calcium oxide
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C.
passing it directly through calcium oxide
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D.
passing it directly through calcium chloride
Correct Answer: Option C
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