Question # 1

The unit of molar concentration:

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mol. dm^-2

mol. dm^-1

mol. dm

mol. dm^-3

Law of Mass Action was put forward by:

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G.N.Lewis

Lowry

Arrhenius

Gulbderg and Waage

Dynamic means, reaction is:

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In forward direction

Stop

In reverse direction

Still continuing.

The value of K_c depends on.

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Temperature

Pressure

Volume

Atmosphere

In chemical reaction , the substances that combine are called.

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Reactants

Products

Equlibrium

Numerator

K_c is always equal to

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Rf/Rr

Kf /Kt

Kf/Kr

Rr/Rt

An equilibrium is achievable only in a:

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big system

small system

open system

closed system

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

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

If Qc = Kc the reaction goes in:

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Forward

Reverse

At equilibrium state

None

If Qc > Kc the reaction will be in

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Chemical equilibrium

Static equilibrium

Reverse reaction

Forward reaction

Reaction which have comparable amount of reactants and products at equilibrium state have.

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Very small Kc value

Very large Kc value

Moderate Kc value

None of these

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Chemistry 10th Class English Medium Unit 9 Online Test MCQs With Answers

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