Question # 1

Which is not true in case of an ideal gas?

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It cannot be converted into a liquid

There is no interaction between the molecules

All molecules of the gas move with same speed

At a given temperature P'V is proportional to the amount of the gas

The reaction which is responsible for the production of electricity in the voltaic cell is

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Hydrolysis

Oxidation

Reduction

Redox

Which one of the following reaction of carboxylic acid is reversible?

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Esterification

Salt formation

Reaction with PCI5

Reaction with SOCI2

Which of the following is not a correct postulate of the kinetic theory of gases

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the gas molecules are in random motion

the collision between the molecules are perfectly elastic

the average kinetic energies of different gases are equal at a particular temperature

the pressure exerted on the walls of the container is due to intermolecular forces

Substances that tend to decrease the activity of enzymes are called:

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coenzymes

activators

inhibitors

apoenzyme

Energy of atom in compound is

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Higher than individual atom

Lower than individual atom

equal to individual atom

Impossible to predict

The derivatives that cannot be prepared directly from the acetie acid

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Acetamide

Acetic anhydride

Ethyl acetate

Ester

Which of the following solid is amorphous

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NaCl

diamond

glass

MgO

The ozone depletion in the stratophere is mainly due to the reaction of ozone with

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Freons

CFCs

Both A and B

None

The graph between pressure and volume at constant temperature for gas is:

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Isobaric

Isothermal

Isotherm

None of above

The pH of neutral water is 6.8 then the temperature of H2O is

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25°C

More than 25°C

less than 25 C°

Not predicted

I a chemical reaction equilibrium is said to have been established when :

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Rate of opposing reactions are equal.

Rate constants of opposing reactions are equal.

Opposing reactions stop.

Concentration of reactants and products are equal

Among O, C, F, Cl, Br, the correct order of increasing radii is

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F O C Cl Br

F C O Cl Br

F Cl Br O C

C O F Cl Br

Benzene is prepared from n-hexane in the presence of catalyst

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Cr₂O₃

Al₂O₃

SiO₂

All above

Which of the following will affect the rate :

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First step of reaction.

Last step of reaction.

Rate determining step.

Fastest step.

Which is not nitrogeneous fertilizers?

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(NH₄)₂HPO₄

NH₄NO₃

Urea

Calcium phosphate

A combination of glucose and fructose is called:

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Sucrose

Table sugar

a and b

Lactose

10g Of NaOH Has Been Dissolved Perdm³of solution. The morality of solution is :

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0.025 M

1.5 M

0.1 M

.25 M

Which period starts from ₁₁Sc to ₃₀Zn ?

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First Period

Second Period

Third Period

4th Period

Freezing point depression is measured by

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Beckmann's apparatus

Lands Berger's method

Antifreeze apparatus

All of the above

Cell in which an electric current drives a non-spontaneous reaction is called

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Electrolytic cell

Voltaic cell

Biological cell

Electrochemical cell

Major component in cement is :

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SiO₂

Lime

Al₂O₃

MgO

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