СРОЧНОО,пожалуйста.

Исключите лишнюю соль из списка:
А) ZnCl2, CuSO4, KNO3, Ni(NO3)2
Б) K2S, AgNO3, CrCl3, Pb(NO3)2
B) Na2S, CaCl2, Li3PO4, K2CO3
Г) KNO3, MgBr2, Na2SO4, Cal2
д) SnCl2, Al(NO3)3, PbSO4, Fe2(SO4)3​
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