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Chemistry 10th Class English Medium Unit 9 Online Test MCQs With Answers
Question # 1
Such reationsin which reactants and products are sufficient in quantities the Kc value of equilibrium state will be
Choose an answer
Very small
Very large
Moderate
None of these
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Question # 2
When the magnitude of Kc is very large it indicates.
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Reaction mixture consist of almost all products.
Reaction mixture consist of almost all reactants.
Reaction has not gone to completion
Reaction mixture has negligible products.
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Question # 3
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 # 4
Guldberg and waage put forward law of mass action in:
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1860
1869
1870
1879
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Question # 5
The dynamic equilibrium in irreversible reaction.
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Never establishes
Establishes after completion of reaction
Establishes before completion of reaction
Establishes very soon
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Question # 6
Equilibrium constant value "K" is equal to:
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Kt / Kr
Ki / Kr
Kc / Qc
Qc /Kc
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Question # 7
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 # 8
If Qc < Kc the reaction goes in:
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Forward
Reverse
At equilibrium state
None
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Question # 9
In a chemical reaction, the substance that combine are called.
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Reactant
Products
Mass
Material
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Question # 10
The major components of Atmosphere are:
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Carbon and Nitrogen
Nitrogen and Oxygen
Oxygen and Chlorine
None of these
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Question # 11
In chemical reaction , the substances that combine are called.
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Reactants
Products
Equlibrium
Numerator
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Question # 12
At equilibrium state there are possibilities: OR types of chemical equilibrium are.
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1
2
3
4
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