Question

A) what happens when copper is burned in air? Give the equation. What type of a reaction is it? (b) what happens when hydrogen gas is passed over the product obtained in step above? Give the equation also.

Answer 1

2cu+o2——2cuo

I hope it help u

Answer 2

hey mate!!!!

here is your answer

(1) The chemical reaction is as follows

cu +O2----> CuO.

The first reaction is called combination reaction

(2) The chemical reaction is as follows

CuO + H2 ------>Cu + H2O

The second reaction is called oxidation-reduction reaction or redox reaction.

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