WBJEE 2021 Physics and Chemistry Solved Paper
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CHEMISTRY
CATEGORY - I (Q41 to Q70)
Carry 1 mark each and only one option is correct. In case of incorrect answer or any combination of more than one answer, ¼ mark will be deducted.
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Question : 46 of 80
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An element crystallizes in a body centred cubic lattice. The edge length of the unit cell is 200 p m 5.0 g c m − 3 . 100 g
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