Science, asked by SHADHIYATP3737, 2 months ago

When the powder of a common metal is heated in an open China dish it's colour turns black. However, when hydrogen is passed over the hot black Substance is formed, it regains it's original colour. Based on. (I) what type of chemical reaction takes place in each of the two given steps?

Answers

Answered by jainvanshika1974
0

Answer:

oxidation reaction and reduction reaction

Explanation:

CuO when heated gains O2 turns in black color and when hydrogen is passed it will lose O2 and thus will have its original color

Remeber , hydrogen is one of the reducing agent

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