Write the reaction equation: Zn-ZnO-ZnCl2-Zn (OH) 2-ZnO

Zinc is a chemically active metal, has pronounced reducing properties, and is inferior in activity to alkaline earth metals. Shows amphoteric properties.

1) Zn → ZnO:

2Zn + O2 = 2ZnO;

2) → ZnCl2:

ZnO + 2HCl = ZnCl2 + H2O;

3) → Zn (OH) 2:

ZnCl2 + 2NaOH = Zn (OH) 2 (precipitate) + 2NaCl;

4) → ZnO:

Zn (OH) 2 = ZnO + H2O

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