Question

Sulphuric acid is not used for preparing the carbon dioxide gas in the laboratory. Why?

Answer 1

both have shown equal tests in the potassium dichromate solution and potassium permanganate solution. both turn limewater milky


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Answer 2

HEY MATE HERE IS YOUR ANSWER :

Because suplhuric acid form an insoluble layer of sulphate which stop further reaction from taking place.

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