Question

Plz Answer this ;-;
Itz very hard :(

Answer 1

Hi there,

☆ 2Cu + O2 = 2CuO

☆ 4Al + 3O2 = 2Al2O3

☆ 4 Na + O2 = 2 Na2O

☆ Na2O + H2O = 2 NaOH

☆ 4 K + O2 = 2K2O

☆ K2O + H2O = 2KOH

♡ Hope the answer is helpful

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