Solutions Test

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Solutions Test - 9

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Weekly Quiz Competition

Question 1
1 / -0

Two solutions have different osmotic pressures. The solution of higher osmotic pressure is called

A
Hypertonic solution

B
Isotropic solution

C
Isotonic solution

D
Hypotonic solution

Solution

Hypertonic solutions have high Osmotic Pressure.
Question 2
1 / -0

At constant temperature the osmotic pressure of a solution is

A
Directly proportional to the square root of the concentration

B
Directly proportional to the concentration

C
Inversely proportional to the concentration

D
Directly proportional to the square of the concentration

Solution

π = cRT
Question 3
1 / -0

The rate at which a solid dissolves in liquid does not depend on

A
Temperature

B
Particle size

C
Concentration

D
Pressure

Solution

The rate at which a solid dissolves in liquid does not depend on pressure.
Question 4
1 / -0

Solubility of gas decreases with

A
Increase in pressure

B
Increase in temperature

C
Decrease in temperature

D
Decrease in pressure

Solution

Because of increase in kinetic energy of gas molecules with temperature their tendency to escape from the liquid will increase.
Question 5
1 / -0

Solubility of which gas is maximum in water?

A
Ammonia

B
Oxygen

C
Nitrogen

D
Carbon dioxide

Solution

NH₃ forms hydrogen Bonding with water.
Question 6
1 / -0

Molarity is preffered over molarity in handling solutions in chemistry laboratory because

A
Molality changes with pressure

B
Molarity changes with pressure

C
Molarity changes with temperature

D
Molality changes with temperature

Solution

Molarity depends upon Volume of solution which changes with Temperature.
Question 7
1 / -0

Aquatic animals are more comfortable in cold water rather that warm water because

A
Solubility of gas in liquid changes with pressure

B
They are cold blooded animals

C
Solubility of gas in liquid increases with decrease in temperature

D
Concentration increases with increase in temperature

Solution

Because of increase in kinetic energy of gas molecules with temperature there tendency to escape from the liquid will increase.
Question 8
1 / -0

The molal depression constant depends upon

A
Heat of solution of the solute in the solvent

B
Nature of the solvent

C
Vapour pressure of the solution

D
Nature of the solute

Solution

K_f is characteristic of solvent.
Question 9
1 / -0

Vapour pressure of a liquid is constant at constant temperature because

A
Rate of condensation increases

B
Rate of evaporation = rate of condensation

C
Rate of evaporation increases

D
Rate of evaporation > rate of condensation

Solution

Liquid and vapours are in equilibrium.

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Solutions Test - 9

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Solutions Test - 9

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SHARING IS CARING

Question 1

Hypertonic solution

Isotropic solution

Isotonic solution

Hypotonic solution

Solution

Question 2

Directly proportional to the square root of the concentration

Directly proportional to the concentration

Inversely proportional to the concentration

Directly proportional to the square of the concentration

Solution

Question 3

Temperature

Particle size

Concentration

Pressure

Solution

Question 4

Increase in pressure

Increase in temperature

Decrease in temperature

Decrease in pressure

Solution

Question 5

Ammonia

Oxygen

Nitrogen

Carbon dioxide

Solution

Question 6

Molality changes with pressure

Molarity changes with pressure

Molarity changes with temperature

Molality changes with temperature

Solution

Question 7

Solubility of gas in liquid changes with pressure

They are cold blooded animals

Solubility of gas in liquid increases with decrease in temperature

Concentration increases with increase in temperature

Solution

Question 8

Heat of solution of the solute in the solvent

Nature of the solvent

Vapour pressure of the solution

Nature of the solute

Solution

Question 9

Rate of condensation increases

Rate of evaporation = rate of condensation

Rate of evaporation increases

Rate of evaporation > rate of condensation

Solution

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