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Class 12 Chemistry
The Solid State Chapter 1
Quiz 1
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What are the basic particles of ice crystals?
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atoms
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anions
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cations
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molecules
Which of the following solid is isotropic?
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Ionic
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Amorphous
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Metallic
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Molecular
In which of the following solids, ions of opposite charges are held together by strong electrostatic forces of attraction?
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Metallic solids
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Ionic solids
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Non metallic solids
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Covalent solids
Why some of the physical properties of solids show different values when measured along different directions in the same crystals?
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Because solid crystals are anisotropic.
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Because solid crystals have short bond distances.
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Because solid crystals are isotropic.
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Because solid crystals are rigid.
Which of the following crystalline solids have highest melting point?
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diamond
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zinc
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sulphur
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ice
Which of the following is NOT a property of an amorphous solid?
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They do not have definite heat of fusion.
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They are isotropic in nature.
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They are known as super cooled liquids
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They have a sharp melting point.
Why ancient glass becomes milky?
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On ageing refractive index changes.
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On ageing cracks develop.
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On ageing amorphous nature increases.
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On ageing crystallization occurs.
Which of the following is NOT a molecular solid?
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Solid SO2
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Solid CO2
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HCl
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Diamond
Amorphous solids are also known as
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Isotropic and super cooled liquids
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Isoenthalpic and superheated liquids
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Anisotropic and super cooled liquids
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Isotropic and superheated solids
Hydrogen bonding occurs in which type of crystalline solids?
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Molecular solids
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Ionic solids
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Network solids
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Metallic solids
Which of the following is an amorphous solid?
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Salt
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Glass
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Graphite
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Diamond
Which of the following solids are also called as super cooled liquids?
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Metallic solids
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Crystalline solids
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Covalent solids
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Amorphous solids
Potassium chloride is:
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Molecular solid
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Ionic solid
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Metallic solid
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Covalent solid
Which type of solids are held by weak dispersion forces?
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Non polar molecular solids
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Covalent solids
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Metallic solids
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Polar molecular solids
Zinc sulphide is crystalline solid:
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Because of periodicity in definite arrangement of particles.
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Because of large number of particles.
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Because of non periodicity in arrangement of particles.
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Because of scattering particles.
Which state of matter is incompressible?
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gas
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vapours
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solid
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liquid
Why do metallic solids conducts electricity?
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Due to closely packed positive ions.
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Due to loosely bounded particles.
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Due to free or delocalised electrons. correct
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Due to close packing of negative charge.
Dry ice is an example of:
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ionic solid
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covalent solid
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metallic solid
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molecular solid
What are the basic constituent particles forming diamond crystals?
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Molecules
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Cations
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Anions
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Atoms
The crystalline solids are:
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Enantiotropic
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Atropic
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Isotropic
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anisotropic
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