1.

The decreasing order of density of different crystals is

Answer»

f.c.c. `GT` b.c.c. `gt` SIMPLE CUBE
b.c.c. `gt` f.c.c. `gt` simple cube
simple cube `gt` f.c.c. `gt` b.c.c.
h.c.p. `gt` f.c.c. `gt` simple cube

Answer :A


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