Physics, asked by senmaajayj5728, 1 year ago

A shiny brown coloured element ‘X’ o n heating in air becomes black in colour. Can youpredict the element ‘X’ and the black coloured substance formed? How do you support yourpredictions?

Answers

Answered by Kanan637
0
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Here, X=Copper (Cu)
According to statement On heating Cu with oxygen(in air) I. e. O2 it will form CuO copper oxide. 2Cu+O2——>2CuO
As shiny brown element is Copper. it will turn to copper oxide which is black in color on reacting with air....
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