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Question
A, B, C and D summarize the properties of sulphuric acid depending on whether it is dilute or concentrated. Choose the property (A, B, C or D), depending on which is relevant to each of the preparations (i) to (ii).
A. Dilute acid (typical acid properties)
B. Non-volatile acid
C. Oxidizing agent
D. Dehydrating agent
(i) Preparation of hydrogen chloride.
(ii) Preparation of ethane from ethanol
(iii) Preparation of copper sulphate from copper oxide.
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Solution
(i) Preparation of hydrogen chloride. - Non-volatile acid
(ii) Preparation of ethane from ethanol - Oxidizing agent
(iii) Preparation of copper sulphate from copper oxide. - Dilute acid (typical acid properties)
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