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A shiny brown coloured element 'X' …

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A shiny brown coloured element 'X' on heating in air becomes black in colour. Name the element 'X' and the black coloured compound formed. How do we remove this black colour from the compound?

Posted by Anshika Mittal 7 years ago

CBSE > Class 10 > Science

1 answers

Sumit Rao 7 years ago

Element x is copper and black colour compound is copper oxide We should remove this black colour by clean it by acid

1Thank You

ANSWER

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CBSE > Class 10 > Science