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Sudheer M.
's Polls
GK
The metal used to recover copper from a solution of copper sulphate is
Na
1 vote (50%)
Na
Ag
1 vote (50%)
Ag
Hg
0 votes (0%)
Hg
Fe
0 votes (0%)
Fe
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2 votes
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Wolmal
(256 symbols max)
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