White precipitate is formed in

Gas A is bubbled through slaked lime when a white precipitate is formed. On prolonged bubbling the precipitate is dissolved. On heating the resultant solution, the white precipitate appears with evolution of gas B. The gases A and B respectively are

When a small amount of HCl is added to an aqueous solution of BiCl_3 , a white precipitate is formed. This is due to formation of

The solution of BiCl _ 3 in dil. HCl when diluted with water , white precipitate is formed which is

When a small amount of HCl is added to an aqueous solution of BiCl_3 , a white precipitate is formed. This is due to formation of

To a clear solution of compound (X), a solution of BaCl_(2) is added and a heavy white precipitate is formed which does not dissolve in dil. HCI. The compound (X) is