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

A shiny brown coloured element 'x' on heating in air becomes black in

1.	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» 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 buddyplzz mark my ans as a brainliest ONE