Question

A shiny brown coloured element 'X' on heating in air becomes black in colour. Name the element 'X' and the black coloured compound formed. Write the reaction involved. ​

Answer 1

Answer:

the brown coloured metal is copper . Hence 'x' is copper . And the black coloured compound formed is copper oxide.

Explanation:

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Answer 2

Answer:

copper

Explanation:

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