JAMB - Chemistry (2000 - No. 1)
A mixture of iodine and sulphur crystals can be separated by treatment with?
Water to filter off sulphur
carbon (IV) sulphide to filter off iodine
ethanoic acid to filter off sulphur
methanol to filter off iodine
解释
A mixture of iodine and sulphur can be separated by adding Carbon disulphide that is (CS₂) then stir the solution and filter it . As sulphur dissolved in CS₂, so it come into filter and got separated from the mixture.