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Name one reagent or one operation to dis...

Name one reagent or one operation to distinguish between
(i) `BeSO_(4)` and `BaSO_(4)` (ii) `Be(OH)_(2)` and `Ba(OH)_(2)` (iii) `Na_(2)CO_(3)` and `NaHCO_(3)`

Text Solution

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(i) Water : `BeSO_(4)` is soluble in `H_(2)O` while `BaSO_(4)` is not
(ii) Alkali : `Be(OH)_(2)` dissolves in alkali but `Ba(OH)_(2)` does not
(iii) Heat : `NaHCO_(3)` on heating gives `CO_(2)` which turns lime water milky . In constrast , `Na_(2)CO_(3)` does not decompose on heating to form `CO_(2)`.
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