Question

a shiny brown coloured element 'x' on heating in air becomes black. name element'x' and black compound formed ? ​

Answer 1

Answer:

Copper oxide

17: A shiny brown coloured element 'X' on heating in air becomes black in colour. Name the element 'X' and the black coloured compound formed. The shinny brown colored element 'X' is copper. When it is heated in air, it becomes black due to the deposit of copper oxide.

Explanation:

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