A shiny 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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element X is copper and the black coloured compound formed is copper carbonate
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We have been given a question and we need to answer it appropriately.
The question given to us is that we have to find the element X, which upon heating with air turns black.
The answer to the question is copper.
X is copper and the black coloured compound formed is called copper oxide.
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