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DilliRaja
's Polls
GK
From which mineral is radium obtained?
(A) Rutile
1 vote (50%)
(A) Rutile
(B) Haematite
1 vote (50%)
(B) Haematite
(C) Limestone
0 votes (0%)
(C) Limestone
(D) Pitchblende
0 votes (0%)
(D) Pitchblende
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2 votes
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Wolmal
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