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 brown coloured element 'X' is copper. On heating in air it forms copper oxide which is black in colour.
2Cu(s) + O2(g) → 2CuO(s)
Copper Oxygen Copper oxide
(Brown (Black)
color)
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Welcome to the NCERT Solutions for Class 10 Science - Chapter . This page offers a step-by-step solution to the specific question from Excercise 4 , Question 17: A shiny brown coloured element ‘X’ on heating in air becomes black in colour. Name the e....
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