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Chemistry 9 Chapter 5 - Physical States of Matter -7
1.
The temperature at which a liquid changes into the solid is known as?
a) Boiling point
b) Freezing point
c) None
d) Melting point
2.
The melting point of a solid depends on?
a) Strength of attractive forces
b) Molecular mass
c) Size of atoms
d) None
3.
The process in which the solid changes to vapours without passing
through the liquid state is known as?
a) Evaporation
b) Distillation
c) Sublimation
d) Condensation
4.
Which one of the following undergoes sublimation?
a) Benzoic acid
b) Iodine
c) Ammonium chloride
d) All of these
5.
Which one of the following is the particle of solids?
a) Ions
b) Molecules
c) Atoms
d) All of these
6.
A solid that is composed of orderly, repeating three dimensional
arrangement of particles is known as?
a) Dimension solid
b) Gasous solid
c) Crystalline solid
d) Amorphous solid
7.
Which one of the following has a well defined shape?
a) Liquid
b) Amorphous solid
c) Gas
d) Crystalline solid
8.
The solid that lacks an ordered arrangement of its particles is known as?
a) Gaseous solid
b) Amorphous solid
c) Crystalline solid
d) Aqua solid
9.
Which one of the following is an amorphous solid?
a) Both of these
b) Glass
c) Plastic
d) None
10.
Which one of the following is an allotrope of carbon atom?
a) All of these
b) Buckeyball
c) Diamond
d) Graphite
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