Question

a shiny brown coloured metal 'x'on heating in a china dish becomes black in colour (a) name the metal 'x' and the black colour comppind formed (b) write the balance chemical equation of the reaction that take place .......plss anss fast fast pls fast​

Answer 1

Answer:

Copper is the brown coloured element X which on heating in air becomes black coloured compound copper oxide.

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Answer 2

'X' is copper (Cu) and the black-coloured compound formed is copper oxide(CuO). The equation of the reaction involved on heating copper is given below:

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