Question

what happen when zinc pieces are kept in Naoh solution write chemical reaction also

Answer 1

Zn + 2NaOH Na2ZnO2 + H. Zinc react with sodium hydroxide to produce zincate sodium and hydrogen. This reaction takes place at a temperature near 550°C.

Answer 2

Zn + NaOH = Na2ZnO2 + H2
Zinc react with sodium hydroxide to produce zincate sodium and hydrogen. 
As Zinc is amphoteric in nature.

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