Question

Show with the help of an equation that metal carbonates liberate carbon dioxide on reaction with dilute acid.

Answer 1

Answer: When metal carbonate is treated with dilute hydrochloric acid, the products formed are salt, water and carbon dioxide.

CO${2}$   gas that is produced causes effervescence or bubbling.

Explanation:  Na2 CO3 (s)+ 2 HCl (aq)→ 2 NaCl (aq) + CO 2  (g) + H  2 O(I)

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