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Online Tests
Chemistry 10th Class English Medium Unit 10 Online Test MCQs With Answers
Question # 1
Potassium ferrocyanide salt is.
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Normal
complex
Basic
Acidic
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Question # 2
When Bronsted and Lowry put forward acid base concept?
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1913
1923
1933
1943
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Question # 3
The water of crystallization is responsible for the.
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Melting points of crystals
Boiling points of crystals
Shapes of crystals
Transition point of crystals
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Question # 4
The acid which is called king of chemicals.
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Sulphuric Acid
Nitric Acid
Hydrochloric acid
Acetic acid
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Question # 5
Bronsted and Lowry presented their theories of acids and bases in
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1785
1787
1923
1925
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Question # 6
Citric acid is present in
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Citrus fruits
Sour milk
Rancid butter
Apple
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Question # 7
Which of the following thing is a lewis base?
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NH
3
BF
3
H
+
AlCl
3
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Question # 8
A conjugate acid is a specie formed by accepting a.
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Proton
Electron pair
Neutron
Electron
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Question # 9
Which is used to remove the grease stains from clothes?
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NaOH
KOH
Al(OH)
3
NH
4
OH
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Question # 10
When acid reacts with sulphites and Bi sulphates which gas is evolved?
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H2
CO
2
SO
2
NH
3
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Question # 11
Uric Acid is present in
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Apple
Fats
Urine
Grapes
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Question # 12
Which acid is used for etching designs on copper plates?
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H
2
SO
4
HNO
3
HCl
CH
3
COOH
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