CBSE Class 10 Answered
chemistry....
Asked by priya009 | 20 Feb, 2009, 09:11: PM
Expert Answer
(i)Metal X is copper,
(ii)Black comound is copper(II) oxide.
(iii)Reaction taking place is:
Cu+1/2O2 
CuO
Answered by | 21 Feb, 2009, 12:46: AM
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