Question

What happens when acid react with metallic carbonate

Answer 1

When acids react with carbonates, such as calcium carbonate (found in chalk, limestone and marble), a salt, water and carbon dioxide are made. The carbon dioxide causes bubbling during the reaction, which is observed as fizzing.

When an acid reacts with a metal carbonate, then a salt, carbon dioxide gas and water are produced.

Example: When dilute hydrochloric acid reacts with sodium carbonate, then sodium chloride, carbon dioxide gas and water are formed.

Na2CO3(s) + 2HCl(aq) → 2NaCl(aq) + CO2(g) + H2O(I)

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