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Online Tests
Chemistry Fsc Part 2 Chapter 3 Online Test MCQs With Answers
Question # 1
Aluminium does not corrode because.
Choose an answer
It is a semi metal
It is a silver shining metal
It does not react with O2
It forms a protective layer of Al2O3
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Question # 2
Third abundant element on earth crust is.
Choose an answer
Boron
Oxygen
Aluminium
Silicon
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Question # 3
Lead monoxide is
Choose an answer
Amphoteric
Neutral
Acidid
Basic
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Question # 4
Which one of the following compounds of lead is red in colour
Choose an answer
PbO
Pb2O
Pb3O4
PbCO3
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Question # 5
The chief of aluminum is
Choose an answer
Na
3
AlF
6
Al
2
O
3
.2H
2
O
Al
2
O
3
Al
2
O
3
.H
2
O
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Question # 6
In which compound, the oxidation state of boron in not +3
Choose an answer
H2BO3
Ca2B2O11
Na2B4O7
Mg3B2
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Question # 7
Aluminium is used for making petrol and milk storage tanks because it is
Choose an answer
Conductor
Non magnetic
Excellent reflected
Corrosion resistant
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Question # 8
Which substance is water repellant and used in ceramic insulators.
Choose an answer
Asbestos
Lead compounds
Silicon carbide
silicones
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Question # 9
In which substance silicon is not present.
Choose an answer
Talc
Asbestos
Dolomite
Zirocon
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Question # 10
Aluminum reacts with nitrogen to form
Choose an answer
AIN
Al
2
N
Al
2
N
3
Al
4
N
6
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Question # 11
Kaolin is a mineral of
Choose an answer
Carbon
Magnesium
Silicon
Aluminium
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Question # 12
Aluminium oxide is
Choose an answer
Acidic oxide
Baric oxide
Amphoteric oxide
None of these
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Question # 13
Which element among the following belongs to Group IV A of the Periodic table.
Choose an answer
Barium
Iodine
Lead
Oxygen
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Question # 14
A solution of borax in water is.
Choose an answer
Acidic
Alkaline
Neutral
None of these
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Question # 15
Which one of the followings is not ore of aluminium
Choose an answer
Coruridum
Bauxite
Colemanite
Kaolin
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Question # 16
Which element forms on ion wiht charge 3+
Choose an answer
Beryllium
Aluminium
Carbon
silicon
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Question # 17
Ethyl alcohol on reacting with orthoboric acid form
Choose an answer
Ethyl borate
Boric acid
Boron acetate
Borax
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