Science, asked by namehumai2, 6 months ago

observation of Hydrogen gas is passed over heated copper(II) oxide.

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Answered by devyanisrivastav

Explanation:

If hydrogen gas is passed over heated copper oxide (CuO), the black coating on the surface turns brown as the reverse reaction takes place and copper is obtained. The second reaction is called oxidation-reduction reaction or redox reaction.

Answered by SwayamjeetBehera

Explanation:

Redox Reaction .Hope it will help u

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observation of Hydrogen gas is passed over heated copper(II) oxide.​

Answers

observation of Hydrogen gas is passed over heated copper(II) oxide.