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This is an MCQ-based quiz on Solutions.
This includes Ideal Solution, Non-Ideal solution, Real Solution, Absolute pressure, and Partial pressure.
On dissolving sugar in water at room temperature, solution feels cool to touch. Under which of the following cases dissolution of sugar will be most rapid?
Which of the following units is useful in relating concentration of solution with its vapour pressure?
Mole fraction
Parts per million
Mass percentage
Molality
At equilibrium the rate of dissolution of a solid solute in a volatile liquid solvent is ………….
Less than the rate of crystallization
Greater than the rate of crystallization
Equal to the rate of crystallization
Zero
A beaker contains a solution of substance ‘A’. Precipitation of substance ‘A’ takes place when small amount of ‘A’ is added to the solution. The solution is ………………
Saturated
Supersaturated
Unsaturated
Concentrated
Maximum amount of a solid solute that can be dissolved in a specified amount of a given liquid solvent does not depend upon .
Temperature
Nature of solute
Pressure
Nature of solvent
3 moles of P and 2 moles of Q are mixed, what will be their total vapour pressure in the solution if their partial vapour pressures are 80 and 60 torr respectively?
A 5% solution of cane-sugar (molecular weight = 342) is isotonic with 1% solution of substance A. The molecular weight of X is
234.2 gm of sugar syrup contains 34.2 gm of sugar. What is the molal concentration of the solution.
H2S is a toxic gas used in qualitative analysis. If solubility of H2S in water at STP is 0.195 m. what is the value of KH?
The atmospheric pollution is generally measured in the units of
Mass percentage
Volume percentage
Volume fraction
PPM
Atomic mass is equal to
Number of electrons of an atom
Sum of the numbers of electrons and protons of an atom
Sum of the numbers of neutrons and protons of an atom
None of these
Which of the following is not a solid solution?
What is an alloy of copper and zinc called?
What is camphor in N2 gas an example of?
Which of the following is not a copper alloy?
Which of the following is a true solution?
Among the following substances the lowest vapour pressure is exerted by
Water
Alcohol
Ether
Mercury
Partial pressure of a solution component is directly proportional to its mole fraction. This is known as
Henry’s law
Raoult’s law
Distribution law
Ostawald’s dilution law
The law which indicates the relatioship between solubility of a gas in liquid and pressure rs
Raoult’s law
Henry’s law
Lowering of vapour pressure
Van’t Hoff law
Vapour pressure of a pure liquid X is 2 atm at 300 K. It is lowered to 1 atm on dissolving 1 gof Y in 20 g of liquid X. If molar mass of X is 200, what is the molar mass of Y?
20
50
100
200
