Question

identify the substance that are oxidized and the substance that are in the following reaction

1).Na + O2 ----> Na2O

2).CuO + H2 ----> Cu + H2O​

Answer 1

1.Na is oxidised and 2.H2 is oxidised

Answer 2

1) Sodium oxide is formed when sodium reacts with oxygen.

2) Copper and water are obtained as products when copper oxide reacts with hydrogen.