Question # 1

The total pressure exerted by a number of non reacting gases is equal to the sum of partial pressure of the gases under the same conditions is known as

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Boyle's law

Charle's law

Avogadro's law

Dalton's law

The rate at which a substance reacts depends on its

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Atomic weight

Equivalent weight

Molecular weight

Active mass

ΔH_{Neutralisation} is always

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Positive

Negative

Zero

Positive or negative

The spectrum of helium is expected to be similar to that of

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H

Li⁺

Na

He⁺

Sea weeds are important source of

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Iron

Chlorine

Iodine

Bromine

The reference calomel electrode is made from which of the following?

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ZnCI₂

CuSO₄

Hg₂CI₂

HgCI₂

Potassium is kept in

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Water

Ammonia

alcohol

Kerosene

Which of the following statement is correct if the intermolecular forces in liquids A, B and C are in the order A < B < C?

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B evaporates more readily than A

B evaporates less readily than C

A and B evaporates at the same rate

A evaporates more readily than C

The relative rate of diffusion of a gas (molecular wright - 128) as compared to oxygen is

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2 times

1/4

1/8

1/2

Reaction of acids with alcohols is also known as

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Esterification

Saponification

Alkalization

None

The number of unpaired electrons in the P-subshell of oxygen atom

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1

2

3

4

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