Question # 1

If a salt bridge is removed between the two half cells the voltage

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Drops to zero

Does not change

Increases gradually

Increases rapidly

The relative rates of diffusion of a gas (Mol, wt. - 98) as compared to hydrogen will be

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1/7

1/5

1/4

1

Which one is not usually used for the crystallization

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Acetone

Acetic acid

Sulphuric acid

Chloroform

Ethanol containing some methanol is called

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Absolute spirit

Rectified spriit

Power alcohol

Methylated spirit

Which is not a colligative property?

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Osmotic pressure

Lowering of vapour pressure

Depression of freezing point

Elevation of boiling point

Tollen's reagent is

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Ammonical cuprous chloride

Ammonical cuprous oxide

Ammonical silver bromide

Ammonical silver nitrate

Which of the following fluorides of xenon in impossible?

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XeF₂

XeF₃

XeF₄

XeF₆

In a reversible chemical reaction having two reactants in equilibrium if the concentration of the reactants are doubled then the equilibrium constant will

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Also be doubled

Be halved

Becomes one fourth

Remains the same

Sodium metal cannot be stored under

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Benzene

Kerosene oil

Alcohol

Toluene

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NAT I Medical Chemistry MCQs With Answers

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