1.Mg(OH)2 реагирует с раствором
1)NaOH
2)H2SO4
3)BaCl2
4)CaCO3

2.В реакции Ва(ОН)2 + N2O3 -> ... образуется соль
1)BaNO3
2)BaNO2
3)Ba(NO2)2
4)Ba(NO3)2
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