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Answer each question and check where every mark went.
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Structured questions0 / 4
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Question 1
Barium sulfate is an insoluble salt. It can be prepared in the laboratory by a precipitation reaction between two aqueous solutions.
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9 marksOpen › - 2
Question 2
A student is given a white solid, compound X, which contains one cation and one anion. The student carries out a series of tests to identify compound X.
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10 marksOpen › - 3
Question 3
A mixture of soluble coloured substances is separated using paper chromatography. The resulting chromatogram is shown in Fig. 3.1.
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9 marksOpen › - 4
Question 4
Ethanol is a member of the homologous series of alcohols. It can be manufactured by the fermentation of aqueous glucose.
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10 marksOpen ›