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CBSE Class 10 Answered

a shiny brown coloured element x on heating in air becomes black colour name the element x and black coloured component formed.
Asked by | 17 Jul, 2011, 11:06: AM
answered-by-expert Expert Answer
Copper is the brown coloured element X which on heating in air becomes black coloured compound copper oxide.
Answered by | 18 Jul, 2011, 02:59: PM

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