1.

         Match List-I (Crystal structure) with List-II (atomic packing factor) and select the correct answer using the codes given below the lists:  List-I List-II A. Simple cubic                 1. 94% B. Body-centred cubic           2. 74% C. Face-centred cubic            3. 52% D. Hexagonal close packed       4. 68% Codes:

A. A\[\to \]3, B\[\to \]4, C\[\to \]2, D\[\to \]1
B. A\[\to \]4, B\[\to \]3, C\[\to \]2, D\[\to \]1
C. A\[\to \]3, B\[\to \]4, C\[\to \]1, D\[\to \]2
D. A\[\to \]4, B\[\to \]3, C\[\to \]1, D\[\to \]2
Answer» B. A\[\to \]4, B\[\to \]3, C\[\to \]2, D\[\to \]1


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