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Question-1
The poisonous gas which stops the oxygen carrying capacity of blood.
(A)
Carbon dioxide
(B)
Nitrogen
(C)
Carbon monoxide
(D)
Sulphur dioxide
Question-2
A non-renewable material is:
(A)
Hydrogen
(B)
Iron
(C)
Wood
(D)
Plants
Question-3
The metal ions that are leached by acid rain out of the soil.
(A)
Copper
(B)
Aluminium
(C)
Silver
(D)
Vanadium
Question-4
The element which causes damage to the nervous system.
(A)
Sodium
(B)
Calcium
(C)
Arsenic
(D)
Lead
Question-5
Acid rain mainly contains:
(A)
Hydrochloric acid
(B)
Sulphuric acid
(C)
Picric acid
(D)
Carbonic acid
Question-6
The compound used in making plastics which causes permanent damage to living things.
(A)
DDT
(B)
PVC
(C)
PCB
(D)
PNB
Question-7
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
Question-8
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-9
The ultraviolet rays of the sun reacts with oxygen to produce:
(A)
Oxide
(B)
Ozone
(C)
Hydroxides
(D)
Nitrates
Question-10
Metals are extracted from rocks by:
(A)
Roasting
(B)
Smelting
(C)
Leaching
(D)
Calcination
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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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