Question

A shiny brown colored element 'x' is heating in air becomes black in colour. Nmae the element 'x' and the black coloured compound formed.

don't copy plzz​

Answer 1

The compound 'X' is Copper(Cu)

And the compound is Copper Oxide(CuO)

Answer 2

HeyMate♥️...

✅This element x must be Copper. It change into black color due to deposit of Copper Oxide.

✅2Cu + O2 ➡️2CuO

✌️i HoPe It HeLpS YoU✌️