Answers

The Brainliest Answer!
2014-05-14T11:04:58+05:30
X is copper , y is copper  oxide
{cu + o2 gives 2cu
and then cuo + h2 gives cu+ h2o}
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2014-05-14T12:50:35+05:30
Cu + o2 = 2cu
 cuo + h2 = cu+ h2o
therefore
x is copper , y is copper  oxide

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