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Chemistry 10th Class English Medium Unit 9 Online Test MCQs With Answers
Question # 1
The unit of molar concentration:
Choose an answer
mol. dm
-2
mol. dm
-1
mol. dm
mol. dm
-3
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Question # 2
Law of Mass Action was put forward by:
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G.N.Lewis
Lowry
Arrhenius
Gulbderg and Waage
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Question # 3
Dynamic means, reaction is:
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In forward direction
Stop
In reverse direction
Still continuing.
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Question # 4
The value of K
c
depends on.
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Temperature
Pressure
Volume
Atmosphere
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Question # 5
In chemical reaction , the substances that combine are called.
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Reactants
Products
Equlibrium
Numerator
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Question # 6
K
c
is always equal to
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Rf/Rr
Kf /Kt
Kf/Kr
Rr/Rt
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Question # 7
An equilibrium is achievable only in a:
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big system
small system
open system
closed system
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Question # 8
When the rate of a the forward reaction takes place at the rate of reverse reaction the composition of the reaction mixture remains constant it is called.
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Chemical equilibrium
Dynamic equilibrium
Static equilibrium
All
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Question # 9
In a Reversible Reaction if Qc = Kc then.
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Reaction is occuring in forward direction
Reaction is occuring in Reverse direction
Equilibrium has been allained
Reaction is not at equilibrium
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Question # 10
If Qc = Kc the reaction goes in:
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Forward
Reverse
At equilibrium state
None
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Question # 11
If Qc > Kc the reaction will be in
Choose an answer
Chemical equilibrium
Static equilibrium
Reverse reaction
Forward reaction
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Question # 12
Reaction which have comparable amount of reactants and products at equilibrium state have.
Choose an answer
Very small Kc value
Very large Kc value
Moderate Kc value
None of these
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