When mixture of `CuCO_(3).Cu(OH)_(2)(s)` and `Pb(NO_(3))_(2)(s)` is added in dil. `HCI` solution:

When mixture of `CuCO_(3).Cu(OH)_(2)(s)` and `Pb(NO_(3))_(2)(s)` is added in dil. `HCI` solution:
A. suspension of `CuCO_(3).Cu(OH)_(2)(s)` in colourless solution is precipitated
B. coloured solution and white ppt. is produced
C. `CO_(2)` gas is evolved
D. `NO_(2)` gas is evolved

When mixture of `CuCO_(3).Cu(OH)_(2)(s)` and `Pb(NO_(3))_(2)(s)` is added in dil. `HCI` solution:

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