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A shiny brown coloured element X on heating  in air  becomes black in  colour a) Name the element X and the black coloured compound formed b) What happens when hydrogen is passed through that compound?
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A shiny brown coloured element X on heating  in air  becomes black in 

colour

a) Name the element X  and the black coloured compound formed

b) What happens  when hydrogen is passed through that compound?

c) Write the balanced chemical equations for all the reactions involved.​

User Charlotte Sirot
by
8.2k points

1 Answer

2 votes

Copper, and the black is CuO

User Iloo
by
7.7k points
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