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Describe the reactions of dilute sulphuric acid with carbonates and hydrogen carbonates.

Describe the reactions of dilute sulphuric acid with carbonates and hydrogen carbonates.

Answers

- Dilute H₂SO_4(aq) reacts with carbonates and hydrogen carbonates to produce a salt, carbon (IV) oxide and water


Note:
- Reaction with lead carbonate however stops soon after the reaction.
Reason:
- Formation of an insoluble coating of the lead (II) sulphate on the lead (II) carbonate which prevents further contact between acid and carbonate.
- The same logic applies for calcium carbonate.

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Kavungya answered the question on April 29, 2019 at 12:22

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