1.

Which of the following are soluble in water ?

Answer»

`Na_(2)CO_(3)`
`BaC_(2)O_(4)`
`MgCO_(3)`
`Ca(NO_(3))_(2)`

SOLUTION :According to hydration energy and LATTICE energy only `Na_(2)CO_(3) and Ca (NO_(3))_(2)` AMONG the given are soluble in water


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