CBSE Class 10 Answered
a shiny brown coloured element on heating in air becomes black in colour
Asked by jozach25 | 27 Jun, 2019, 08:14: PM
Expert Answer
The shiny brown element is copper (Cu).
Copper on heating forms a black coloured compound, copper oxide (CuO).
Answered by Varsha | 28 Jun, 2019, 03:57: PM
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