Question # 1

The plant use

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Carbon di oxide

Oxygen

Nitrogen

Sulphur

The value of K_c depends on.

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Temperature

Pressure

Volume

Atmosphere

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

Which colour of HI is ?

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Orange

Purple

Red

Colourless

In chemical reaction , the substances that combine are called.

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Reactants

Products

Equlibrium

Numerator

At dynamic equilibrium state:

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Rate of forward reaction≠ Rate of reverse reaction

Rate of forward reaction > Rate of reverse reaction

Rate of forward reaction = Rate of reverse reaction

Rate of forward reaction < rate of reverse reaction

An equilibrium is achievable only in a:

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big system

small system

open system

closed system

For which reaction Kf is the rate constant?

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Forward reaction

Backward reaction

Upward reaction

Downward reaction

The reaction goes from left to right , if:

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Qc = Kc

Qc > kc

Qc<Kc

Qc = 0

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10th Class Chemistry Chapter 9 Chemical Equilibrium English Medium KPK Boards Online Mcqs MCQs With Answers

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