Gas A is bubbled through slaked lime whe...

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

`CO` and `CO`

`CO_2` and `CO`

`CO` and `CO_2`

`CO_2` and `CO_2`

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The gas A is bubbled through lime water , a while precipitate is formed . This precipitate dissolved on prolonged bubbling the same gas. On heating this solution, the white precipitate reappears with the evolution of gas B . The gases A and B respectively are

When a piece of limestone reacts with dilute HCl , a gas X is produced. When gas X is passed through lime water then a white precipitate Y is formed. On passing excess of gas X, the white precipitate dissolves forming a soluble compound Z. (a). What are X, Y and Z? (b). Write equations for the reactions which take place: (i). When limestone reacts with dilute HCl (ii). When gas X reacts with lime water to form white precipitate Y (iii). When excess of gas X dissolves white precipitate Y to form a soluble compound Z.

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