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10th Class Chemistry Chapter 10 Acids, Bases and Salts English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
Potassium Ferrocyanide is a:
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Normal salt
Mixed salt
Complex salt
Double salt
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Question # 2
Lewis acid-base concept have the following characteristics except:
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formation of an adduct
Formation of a co-ordinate covalent bound
Donation and acceptance of an electron pair
Donation and acceptance of a proton
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Question # 3
Which one is Lewis Acid?
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BF
3
AICI
3
FeCl
3
All of these
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Question # 4
Indicators are the
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Inorganic compounds
Organic compounds
Ionic compounds
Covalent compounds
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Question # 5
Water of crystallization is responsible for.
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Melting points of crystals2
Boiling point of crystal
Shape of crystal
Transition points of crystals
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Question # 6
Which of following is not conjugate base.
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S
-2
F
-1
Na
+
SO
4
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Question # 7
According to Arrhenius concept acid is a substance which dissociates in aqueous solution to give.
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Hydrogen ions
Hydroxide ions
Both a and b
None of these
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Question # 8
Which is a Lewis base?
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H
+
NH
4
BF
3
AlCl
3
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Question # 9
Example of complex salt is.
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Zinc sulphate
Potash alum
Potassium ferrocynide
Sodium Phosphate
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Question # 10
When acid react with carbonates and bicarbonates which gas is evolved?
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H2
CO
2
Cl
2
N
2
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Question # 11
Acids turn
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Blue litmus red
Red litmus blue
Blue litmus green
Blue litmus blue
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Question # 12
Bronsted and Lowry presented their theories of acids and bases in
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1785
1787
1923
1925
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Question # 13
Stearic acid present in
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Apple
Fats
Urine
Grapes
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