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Online Tests
Chemistry Fsc Part 2 Chapter 3 Online Test MCQs With Answers
Question # 1
Which one of following is used in cosmetics
Choose an answer
Talc
Asbestos
Sodium sulphate
Aluminium Sulphate
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Question # 2
Which one of the followings is not ore of aluminium
Choose an answer
Coruridum
Bauxite
Colemanite
Kaolin
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Question # 3
Which of the following elements is not present abundantly in earth's crust
Choose an answer
Silicon
Aluminium
Sodium
Oxygen
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Question # 4
Which element form an ion with charge +3
Choose an answer
Beryllium
Aluminum
Carbon
Sillicon
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Question # 5
Ethyl alcohol on reacting with orthoboric acid form
Choose an answer
Ethyl borate
Boric acid
Boron acetate
Borax
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Question # 6
A solution of borax in water is.
Choose an answer
Acidic
Alkaline
Neutral
None of these
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Question # 7
Corundum is
Choose an answer
Al2O3
Na2AlF6
Quartz
Calcium
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Question # 8
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 # 9
Which of the following elements is not present abundantly in earth's crust.
Choose an answer
Silicon
Aluminium
Sodium
Oxygen
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Question # 10
Which is not used of Borax
Choose an answer
Softening of water
As medicine for washing eyes
As flux in metallurgical operations
To make quartz
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Question # 11
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 # 12
Al reacts with caustic soda to form
Choose an answer
Sodium aluminates
Aluminium hydroxide
Aluminium oxide
sodium tetra aluminate
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Question # 13
The composition of white lead is
Choose an answer
PbCO3.Ph(OH)2
PbCO3.2Pb(OH)2
2PbCO3.Pb(OH)2
PbCO3
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Question # 14
Aluminium oxide is
Choose an answer
Acidic oxide
Baric oxide
Amphoteric oxide
None of these
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Question # 15
Boric acid is used as eye wash due to its
Choose an answer
Weakly acidic property
Antiseptic nature
Antibiotic nature
Weakly basic properties
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Question # 16
Which substances is called chrome yellow.
Choose an answer
Pb3O4
PbO
2PbCO3.Pb(OH)2
PbCrO4
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Question # 17
Which is used in the leather industry
Choose an answer
Borax
Boric acid
Boric oxide
Tetra Boric acid
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