Question # 1

Which of the following is the cause of Brownian movement of colloidal particles.

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Convection currents int he fluid

Bombardment by the molecules of the dispersion medium

Setting of dispersed phase under gravity.

Thermal gradient in the medium

Branch of chemistry that deals with the basic principles governing energy changes during various processes is called.

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Wave mechanics

Chemical kinetics

Chemical thermodynamics

Electro chemistry

The temperature at which the vapour pressure becomes equal to external pressure is called.

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Saturation point

Critical temperature

Consolute temperature

Boiling point

Which of the following solution has highest normality.

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1 N H2PO4

0.5 N H2SO4

6 g NaOH per 100 cm3

4 g NaOH PER 1000 cm3

The height to which a liquid will rise in an open capillary tube is inversely proportional to.

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Temperature of the liquid

Surface tension

Density of the liquid

Air pressure

The volume of given mass of gas at constant pressure is directly proportional to the absolute temperature.This is a statement of.

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Charles's law

Boyle's law

Avogadro's law

Dalton's law

Which of the following can act both as a Bronsted acid and a Bronsted base.

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Na2CO3

OH-

HCO3-

NH3

Which of the following reactions does not take place with light radiation.

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Oxidation

Reduction

Polymerization

Double displacement

An Ideal gas is one which obeys all the gas law at.

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Low pressure

High Pressure

Low and High temperature

All condition of pressure and temperate re

Concentration polarization arises because of the

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Different concentrations of solutions in the two half cells

Changes in the concentration of electrolyte around the electrode from bulk concentration

Reversible nature of the cell

Variation in temperature during measurements

The rate constant for 3rd order reaction has the dimentions of.

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mol-2 s-1

I2 mol-2 s-1

mol I -1 s-1

I-1 mol -1 s-1

The equivalent conductance of a 1 N solution of an electrolyte is nearly

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The same as its specific conductance

10³ times more than its specific conductance

10-3 times its specific conductance

100 times its specific conductance.

Sulphur can exist in

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One phase

Two phase

Three phase

Four phase

Which law of thermodynamics helps in calculating the absolute entropies of varies substances.

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Zeroth law

1st law

Second law

Third Law

The flow of solvent into a solution when two are separated by a semi -permeable membrane is called.

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Mixing

Effusion

Diffusion

Osmosis

Which of the following electrolytes will be most effective in the coagulation of arsenic sulphide sol.

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NaNO3

AI PO4

MgSO4

K4[Fe(CN)6]

How many planes of symmetry are present in benzene.

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1 plane

3 planes

5 planes

7 planes

The temperature of which the compound melts into a liquid to the same composition as the solid is called the

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Congruent melting point

Incongruent melting point

Peritectic temperatures

Metastable point

Which of the following relation corresponds to Faraday law of electrolysis.

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m = ZI t

E = mc²

E = ho

None of the above

Which of the following statement is not related to MOT

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Atomic orbitals lose their identities

MOTgives as idea of denationalization

MOT uses all the orbitals and elections

It treated bond as purely covalent

Which of the following molecules have centre of symmetry.

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H2O

HCl

CO2

H2SO4

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