Zn(OH)2 → H2O → HNO3 → Zn(NO3)2 → ZnO → CaZnO2.
(1) Zn(OH)2 → ZnO + H2O.
(2) N2O5 + H2O → 2HNO3.
(3) ZnO + 2HNO3 → Zn(NO3)2 + H2O.
(4) 2Zn(NO3)2 → 2ZnO + 4NO2 + O2.
(5) ZnO + CaO → CaZnO2.
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Zn(OH)2 → H2O → HNO3 → Zn(NO3)2 → ZnO → CaZnO2.
(1) Zn(OH)2 → ZnO + H2O.
(2) N2O5 + H2O → 2HNO3.
(3) ZnO + 2HNO3 → Zn(NO3)2 + H2O.
(4) 2Zn(NO3)2 → 2ZnO + 4NO2 + O2.
(5) ZnO + CaO → CaZnO2.