Select the wrong statements amongst the following: (a) \( \mathrm{CaF}_{2} \) is soluble in wate...

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Select the wrong statements amongst the following:
(a) \( \mathrm{CaF}_{2} \) is soluble in water
(b) \( \mathrm{BaSO}_{4} \) is soluble in water
(c) \( \mathrm{Ba}(\mathrm{OH})_{2} \) is insoluble in water
(d) \( \mathrm{MgSO}_{4} \) is soluble in water
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