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Potassium

1) Zn(OH)2 + 2HNO3 = Zn(NO3)2 + 2H2O

2) Zn(OH)2 (t)= ZnO + H2O

3) Zn(OH)2 + H2SO4 = ZnSO4 + 2H2O

4) Zn(OH)2 + 2KOH (t)= K2ZnO2 + 2H2O

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