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Question-1
Impure lead contains copper and
(A)
Zinc
(B)
Chromium
(C)
Silver
(D)
Tin
Question-2
The soft metal which can be cut with a knife:
(A)
Sodium
(B)
Magnesium
(C)
Silver
(D)
Copper
Question-3
The alloy of lead used to connect wires in electrical circuits.
(A)
Brass
(B)
Pewter
(C)
Solder
(D)
Bronze
Question-4
A rock which is rich in a metal compounds is called:
(A)
Compounds
(B)
Minerals
(C)
Ore
(D)
Element
Question-5
In extraction of ore, the gold is treated with:
(A)
Sodium chloride
(B)
Potassium nitrate
(C)
Sodium nitrate
(D)
Potassium cyanide
Question-6
White gold is an alloy of gold with:
(A)
Nickel and Palladium
(B)
Nickel and Chromium
(C)
Tin and Nickel
(D)
Palladium and Zinc
Question-7
Bronze is an alloy of copper with:
(A)
Tin
(B)
Lead
(C)
Zinc
(D)
Chromium
Question-8
Mixture of metals with one or more element to strengthen it is called:
(A)
Ore
(B)
Alloy
(C)
Elements
(D)
Compounds
Question-9
Lead is extracted from the ore:
(A)
Haematite
(B)
Magnetite
(C)
Galena
(D)
Pyrites
Question-10
Nickel silver is an alloy of nickel and:
(A)
Zinc
(B)
Tin
(C)
Copper
(D)
Chromium
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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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