Chemistry, asked by paryusha3314, 1 year ago

When the powder of a common metal is heated in a China dish its colour changes black. However when hydrogen is passed over the hot black substance so formed it regains its original colour.1-what type of chemical reaction takes place in each of the two given steps?2-name the metal initially taken in the powder form. Write balanced chemical equation for both the reaction

Answers

Answered by naveenson
0
chromography
sodium chloride
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