A brown substancd 'X' on heating in air forms a substance 'Y' when hydrogen gas is passed over heating Y it again change back into X .name element X?
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copper
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2Cu + O2 ----> 2CuO( which is element Y)
CuO + H2 ---->Cu + H2O
hope you are satisfied
plz mark it as brainliest
reasons
2Cu + O2 ----> 2CuO( which is element Y)
CuO + H2 ---->Cu + H2O
hope you are satisfied
plz mark it as brainliest
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