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Liquids and Solids - 3
1.
Repetition of faces, angles or edges when a crystal is rotated 360
o
C along its axis is called. _____________
a) Electron gas theory
b) Molecular
c) Liquid crystals
d) Isomorphic or orthorhombic
2.
K
2
SO
4
and K
2
CrO
4
are two different compounds but both are ______________.
a) amorphous
b) Liquid crystals
c) Molecular
d) Interfacial angles
3.
The forces that hold the particles in ________crystals are very weak so they are soft and easily compressible.
a) Transition temperature.
b) Electron gas theory
c) Interfacial angles
d) Non conductors
4.
_________ theory was proposed by Drudge and extended by Loren.
a) K
2
CrO
4
b) Cooling
c) Electron gas
d) Hydrogen bond
5.
Electrical conductivity of metals __________ on increase of temperature due to oscillation of metal cations.
a) Decreases
b) Molecular
c) Along
d) Increase
6.
Evaporation is a ______________ process.
a) Symmetry
b) Cooling
c) Interfacial angles
d) Molecular
7.
Boiling points of noble gases increase in the group due to increase _____________.
a) Symmetry
b) Interfacial angles
c) Strength of Landon forces
d) Ethalphy Change
8.
Boiling point of HCl is slightly higher than HBr as Chlorine is electronegative enough to form.________
a) Electron gas theory
b) Cooling
c) Interfacial angles
d) Hydrogen bond
9.
Ice occupies __________ % more space than liquid water.
a) 8%
b) 7%
c) 9%
d) 6%
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