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4 marksQualitative Analysis

CSEC Chemistry · May/June 2013 · Paper 2 · Question 4(c)(ii)

Manganese is above hydrogen in the electrochemical series. Duralumin, an alloy of manganese, contains 95% aluminium, 4% copper and traces of magnesium and manganese.

Other than electrolysis, describe a suitable laboratory procedure that could be used to obtain a sample of dry copper from a sample of the alloy.

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