1.

A reddish brown coloured metal, used in electric wires, whenpowdered and heated strongly in an open china dish, itscolour turns black. When hydrogen gas is passed over this| black substance, it regains its original colour. Based on theabove information answer the following questions.i) Name the type of reaction takes place in each of the twosteps?ii) Name the metal and black coloured substance formed.iii) Write the balanced chemical for both reactions.​

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EXPLANATION:

Q.II) The METAL is COPPER



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