Question

When hydrogen is passed over heated (1)
which is black in colour it forms
copper metal, Hydrogen in this reaction is acting as (iii)
agent.​

Answer 1

Answer:

CuO (copper oxide)

hydrogen here acts as reducing agent because it helps in the removal of oxygen from CuO.

Explanation:

Answer 2

Answer:

CuO (copper oxide)

hydrogen here acts as reducing agent because it helps in the removal of oxygen from CuO.

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