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State your observation when: Dilute hy...

State your observation when:
Dilute hydrochloric acid is added to copper carbonate.

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When dilute hydrochloric acid is added to copper carbonate, a brisk effervescence is seen due to the evolution of `CO_2`, with the formation of copper chloride and it turns lime water milky.
`CuCO_3(s) + 2HCl (aq) rarr CuCl_2(aq) + H_2CO_3(aq) rarr CuCl_2 (aq) + H_2O(l) + CO_2(g) uarr`
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