Chemistry Past Paper Questions

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Q 1:A reaction between an Acid and a Base Produces:
A
Salt and Gas
B
Salt and Acid
C
Salt and Water
D
Salt and Base
Bahawalpur, 2019
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Q 2:Acetic Acid is used for:
A
Making Explosives
B
Flavoring Food
C
Etching Designs
D
Cleaning Metals
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Q 3:Correct Equilibrium Constant Expression for the given reaction is: 2A(g) + B(g) ⇌ 3C(g) :
A
[2A][B]/[3C]
B
[A]²[B]/[C³
C
[2A][B]/[3C]
D
[C]³/[A]²[B]
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Q 4:Crude Oil is heated in the furnace upto:
A
300ᵒC
B
350ᵒC
C
400ᵒC
D
450ᵒC
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Q 5:Deficiency of which Vitamin causes Rickets:
A
Vitamin A
B
Vitamin E
C
Vitamin K
D
Vitamin D
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Q 6:Dehydration of Alcohols can be carried out with>
A
NaOH
B
KOH
C
H₂SO₄
D
HCl
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Q 7:f Qc > Kc what will be the direction of reaction:
A
Forward
B
Reverse
C
Equilibrium State
D
In No Direction
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Q 8:Glucose is:
A
Hexahydroxy Aldehyde
B
Hexahydroxy Ketone
C
Pentahyroxy Aldehyde
D
Pentahydroxy Ketone
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Q 9:In the Long Form of Periodic Table, 4th and 5th period are called.
A
Short periods
B
normal Periods
C
long Periods
D
Very long Periods
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Q 10:Double Covalent Bond is represented by:
A
-
B
=
C
≡
D
→
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Total MCQs: 1548Page 1 of 155
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