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Question:

why does aluminum sheet not react with sulfuric acid nut react with hydrochloric acid?

why does aluminum sheet not react with sulfuric acid nut react with hydrochloric acid?

Answer:

aluminum reacts with hydrochloric acid,generating aluminium chloride which can dissolve in water. but aluminum reacts with sulfuric acid, generating aluminum sulfate which can't dissolve in water and will generate aluminum sulfate, a layer of protective film, preventing aluminum from reacting with sulfuric acid, so there is no significant phenomena.

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