1.

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

Answer»

suspension of `CuCO_(3).CU(OH)_(2)(s)` in colourless SOLUTION is precipitated
coloured solution and WHITE ppt. is produced
`CO_(2)` gas is evolved
`NO_(2)` gas is evolved

Answer :B::C


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