I have to distinguish between copper oxide and carbon. I thought of dilute sulfuric acid because it forms copper sulfate with copper oxide. But I don't know how carbon reacts with dilute sulfuric acid. I know how carbon reacts with concentrated sulfuric acid but dilute?
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$\begingroup$ see this:-chemistry.stackexchange.com/questions/42880/… $\endgroup$– Nilay GhoshJul 6 '16 at 15:45
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Sulfuric acid is unreactive with carbon- indeed only hot concentrated sulfuric acid reacts with carbon to produce carbon dioxide.
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$\begingroup$ Then how can i distinguish between copper oxide and carbon? $\endgroup$– EdmDroidFeb 8 '15 at 7:15