Question

Zn-ZnO-Zn(NO3)-Zn(OH)2-K2ZnO2-ZnSO4

Answer 1

2Zn + O2 = 2ZnO

ZnO + 2HNO3 = Zn(NO3)2 + H2O

Zn(NO3)2 + 2NaOH = Zn(OH)2 + 2NaNO3

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

K2ZnO2 + 2H2SO4 = K2SO4 + ZnSO4 + 2H2O

Answer 2

It appears that you've listed a series of chemical compounds and ions that involve zinc (Zn). If you have a specific question or need information about these compounds, please provide more details, and I'd be happy to help.