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CBSE Class 10 Answered

a shiny brown coloured element 'X' on heating in air becomes black in colour. name the element 'X' and the black colour compound formed?
Asked by | 16 May, 2013, 12:10: PM
answered-by-expert Expert Answer
The shiny brown coloured element 'X is copper and the black colored compound is CuO.
Answered by | 16 May, 2013, 01:28: PM

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