Question

A shiny brown coloured element 'x' on heating in air becomes black in colour name the element 'x'and the black colour 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.

hope it helps u buddy

plzz mark my ans as a brainliest one