Question # 1

Saturated solution of NaCI on heating becomes

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Super saturated

Unsaturated

Remains saturated

None

The molal elevation constant is the ratio of the elevation in boiling point to

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Molarity

Molality

Mole fraction of solute

Mole fraction of solvent

Which is the most amphoteric?

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Na₂O

MgO

AI₂O₃

CaO

When pressure is applied to the equilibrium system Ice Water Which of the following phenomenon will happen?

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More ice will be formed

Water will evaporate

More water will be formed

Equilibrium will not be formed

The weight of 11.2 liters of CO₂ at S.T.P. would be

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88 g

44 g

32 g

22 g

For most of the chemical reaction the rate of reaction

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Increases as the reaction proceeds

Decreases as the reaction proceeds

May increases or decreases during the reaction

Remains constant as the reaction

Which one of the following compounds does not exist?

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NCI₅

AsF₅

SbCI₅

PF₅

Which one of the following has the lowest boiling point?

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B

AI

Ga

Ti

Which of the following is a molecular disease?

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Allergy

Cancer

German measles

Sickle cell anemia

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