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Question-1
A non-renewable material is:
(A)
Hydrogen
(B)
Iron
(C)
Wood
(D)
Plants
Question-2
The salt used to bind small particles together to make the water clearer for test.
(A)
Barium sulphate
(B)
Barium chloride
(C)
Sodium nitrate
(D)
Potassium nitrate
Question-3
The gas which destroys larger portion of ozone layer.
(A)
Oxygen
(B)
Hydrogen
(C)
Sulphur dioxide
(D)
Carbonates
Question-4
To remove sulphur dioxide, the compound sprayed into these gases is:
(A)
Sodium chloride
(B)
Lime
(C)
Gypsum
(D)
Galena
Question-5
Acid rain mainly contains:
(A)
Hydrochloric acid
(B)
Sulphuric acid
(C)
Picric acid
(D)
Carbonic acid
Question-6
The pesticide which causes serious long term problems.
(A)
Phosgene
(B)
DDT
(C)
Bleaching powder
(D)
Carbonates
Question-7
Green house gas among the following.
(A)
Carbon dioxide
(B)
Hydrogen
(C)
Nitrogen
(D)
Oxygen
Question-8
The compound used in making plastics which causes permanent damage to living things.
(A)
DDT
(B)
PVC
(C)
PCB
(D)
PNB
Question-9
The element which causes damage to the nervous system.
(A)
Sodium
(B)
Calcium
(C)
Arsenic
(D)
Lead
Question-10
When acid rain reaches the ground, it drains into the soil, dissolves some of the minerals and carries them away. This process is called:
(A)
Smelting
(B)
Concentration
(C)
Roasting
(D)
Leaching
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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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