1.

The balanced chemical equation, among the following, is ………………….. A) NaOH + Zn → NaZnO2  + H2 B) 2NaOH + Zn → Na2  ZnO2 + H2 C) 2NaOH + 2Zn → 2NaZnO2  + H2  D) NaOH + 2Zn → NaZn2  O2  + H2 

Answer»

B) 2NaOH + Zn → Na2  ZnO2 + H2 



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