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Question-1
Matter is made of particles. This is the basis of:
(A)
Law of mass conservation
(B)
Particle theory of matter
(C)
Dalton's theory
(D)
Law of reciprocal proportion
Question-2
Sublimation is possible in:
(A)
Hydrogen
(B)
Ammonia
(C)
Iodine
(D)
Mercury
Question-3
High energy liquid particles near the surface move so fast that they can break through the surface and escape into the air and form a gas. The process is called:
(A)
Freezing
(B)
Boiling
(C)
Melting
(D)
Evaporation
Question-4
The particles in a solid form an arrangement called:
(A)
2 dimensional
(B)
Lattice
(C)
Cube
(D)
Sulphur
Question-5
The scientist who explained about the structure of matter.
(A)
Robert Boyle
(B)
Hero
(C)
Democritus
(D)
Maxwell
Question-6
Uranus is made from:
(A)
Hydrogen
(B)
Ammonia
(C)
Nitrogen
(D)
Urea
Question-7
The particles of liquid lose much energy that they can no longer slide over each other and have vibration about one position. The process is called:
(A)
Freezing
(B)
Evaporation
(C)
Boiling
(D)
Melting
Question-8
The process by which the leaves of plant return water to the atmosphere is:
(A)
Evaporation
(B)
Freezing
(C)
Transpiration
(D)
Conformation
Question-9
The standard pressure is about:
(A)
12 N/cm
2
(B)
15 N/cm
2
(C)
1 N/cm
2
(D)
10 N/cm
2
Question-10
The gas used in cookers and fires:
(A)
Ammonia
(B)
Methane
(C)
Butane
(D)
Hydrogen
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Cambridge Secondary Grade 8
IGCSE
Practice in Related Chapters
Acid and Bases
The World of Matter
Simple Chemical Reactions
The Rock Cycle
Introducing Chemistry
Metals and Metal Compounds
Elements and Atoms
Separation of Mixtures
Compounds and Mixtures
Rocks and Weathering
Patterns of Reactivity
Chemistry and the Environment
Using Chemistry
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