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The diagram represents the preparation o...

The diagram represents the preparation of sodium sulphate salt from dil. `H_(2)SO_(4)` acid & sodium hydroide.

1. Name the apparatus 'A'
2. Name the substance 'X' placed in 'A' & the substance 'Y' placed in B.
3. State the reason for conducting the titration using the apparatus 'A' & 'B'.
4. State which solution is transferred to the evaporating dish and evaporated to point of crystallisation for obtaining the salt.
5. State why titration is not conducted for the preparation of copper [II] sulphate crystals by neutralisation.

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