Sodium zincate

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Sodium zincate (Na2ZnO2) is a complex salt of sodium. It is formed by the action of sodium hydroxide, a strong alkali on metallic zinc.

Zn + 2 NaOH → Na2ZnO2 + H2

The reaction takes place at room temperature.

Sodium zincate can also be prepared by the fusion of the oxides involved viz. sodium oxide (Na2O) and zinc oxide (ZnO).

Na2O + ZnO → Na2ZnO2.
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