master cadre chemistry:-Good night 5 qes
Q1. The most unsymmetrical and symmetrical systems are are respectively
(a) tetragonal, cubic
(b) triclinic, cubic
(c) rhombohedral, hexagonal
(d) orthorhombic, cubic
Q2. Close packing is maximum in the crystal which is
(a)bcc
(b)FCC
(c) simple cubic
(d)all
Q3. If the alignment of of magnetic moments in a substance is in a compensatory way so as to give net magnetic moment then substance is said to be
(a) ferromagnetism
(b) antiferromagnetism
(c) ferri magnetism
(d) diamagnetism
Q4. The number of tetrahedral and octahedral holes in a hexagonal primitive unit cell are
(a)8,4.
(b)6,12
(c)2,1
(d)12,6
Q5. Example of of body centred cube is
(a) sodium
(b) magnesium
(c) zinc
(d) copper
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