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Chemical Reactions and Equations
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03/09/2021 9:27 pm
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A shining brown-coloured element ‘X’ on heating in air becomes black in colour. Name the element ‘X’ and the black-coloured compound formed.
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03/09/2021 9:28 pm
The element ‘X’ is copper and the black- coloured compound formed is copper(II) oxide.
2CuO + O2(g) ➝ 2CuO
(X) (Black)