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1. A shiny brown coloured element ‘X’ on heating in air becomes black in colour.
Name the element ‘X’ and the black coloured compound formed.
Name the element ‘X’ and the black coloured compound formed.
The element ‘\(X\)’ is .
The black coloured compound is a .
The reaction included is \(2Cu\) + \(O_2\) → \(2CuO\)
copper (brown) + → copper oxide (black)
copper (brown) + → copper oxide (black)
Food products are flushed with nitrogen to keep them and prevent them from .
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