English, asked by sheikhalthamash, 7 months ago

18. A reddish brown coloured metal, used in electrical wires, when powdered and heated
strongly in an open china dish it turns black. When hydrogen gas is passed over this black
substance, it regains its original colour. Based on the above information answer the following
questions. a)why does it gain the original colour on passing hydrogen​

Answers

Answered by vikalpdudi
1

Answer:

copper

is it right

please make me brainiest

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