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Question-1
The thickness of atmosphere is:
(A)
1000 km
(B)
100 km
(C)
10,000 km
(D)
10 km
Question-2
The gas used in cookers and fires:
(A)
Ammonia
(B)
Methane
(C)
Butane
(D)
Hydrogen
Question-3
The push or force of gas on the surface area of a liquid or solid is called:
(A)
Temperature
(B)
Pressure
(C)
Mass
(D)
Volume
Question-4
When some substances are heated, it forms a gas without forming a liquid. This is:
(A)
Condensation
(B)
Transpiration
(C)
Sublimation
(D)
Freezing
Question-5
Uranus is made from:
(A)
Hydrogen
(B)
Ammonia
(C)
Nitrogen
(D)
Urea
Question-6
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-7
The scientist who explained about the structure of matter.
(A)
Robert Boyle
(B)
Hero
(C)
Democritus
(D)
Maxwell
Question-8
The state of matter of a substance can be charged by changing the:
(A)
Volume
(B)
Temperature
(C)
Mass
(D)
Pressure
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
Falling water in the form of rain, snow or hail is called:
(A)
Transpiration
(B)
Condensation
(C)
Melting
(D)
Precipitation
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Cambridge Secondary Grade 8
IGCSE
Practice in Related Chapters
Acid and Bases
The World of Matter
Simple Chemical Reactions
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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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