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How will you distinguish between the fol...

How will you distinguish between the following pairs of terms
(i) Hexagonal close packing and cubic close packing
(ii) Crystal lattice and unit cell (iii) Tetrahedral void and octadedral void.

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Hexagonal close packing is ABAB…... type whereas cubic close packing is ABC ABC…... type.
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How will you distinguish between the following pairs of terms? a. Hexagonal close-packing and cubic close-packing b. Crystal lattice and unit cell c. Tetrahedral void octahedral void

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