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- 1. Multiple Choice
The number of nearest particles which is in direct contact with a particle in a closed packed structure
Unit Cell
Void
Packing efficiency
Coordination number
- 2. Multiple Choice
Smallest repeating unit of crystal lattice
Lattice site
Unit cell
Crystal lattice
Lattice point
- 3. Multiple Choice
In a primitive unit cell atoms are present at the
Corners & Centers of any 2 opposite sides
Corners only
Corners and Body Centre
Corners & Centers of all faces
- 4. Multiple Choice
There are ……….. Bravais lattices corresponding to 7 different Crystal Systems
8
9
14
13
- 5. Multiple Choice
The wrong statement about Para magnetism
They are weakly attracted by a magnetic field
They are magnetized in a magnetic field in the same direction
They keep their magnetism in the absence of magnetic field
It is due to the presence of one or more unpaired electrons
- 6. Multiple Choice
Example for crystalline solid
Glass
Quartz
Plastic
Rubber
- 7. Multiple Choice
Crystalline solids are
Isotropic
Allotropic
Anisotropic
Isomorphic
- 8. Multiple Choice
An amorphous solid
CaCl2
NaCl
Glass
CsCl
- 9. Multiple Choice
What type of material is this one?
Crystal
Amorphous
Covalent Crystal
Ionic Crystal
- 10. Multiple Choice
Which of the following is an amorphous solid?
Copper(Cu)
Quartz glass (SiO2)
Silicon carbide (SiC)
Sodium Chloride (NaCl)
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