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The concentration of solute in the solution in equilibrium with solid substance at a particular temperature is called:
NET
NUST Entry Test
Chemistry
Solutions
If excess solid is present in solution then rate of dissolution and rate of crystallization:
NET
NUST Entry Test
Chemistry
Solutions
The solute and solvent molecules are constantly moving about in solution phase because of:
NET
NUST Entry Test
Chemistry
Solutions
An Azeotropic mixture of two liquids boils at lower temperature than either of them when:
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NUST Entry Test
Chemistry
Solutions
Azeotropic mixtures can be separated by:
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NUST Entry Test
Chemistry
Solutions
Azeotropic mixtures :
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NUST Entry Test
Chemistry
Solutions
A positive deviation from Raoult's law in solution means, the solution has:
NET
NUST Entry Test
Chemistry
Solutions
A negative deviation from Raoult's law in solution means the solution has:
NET
NUST Entry Test
Chemistry
Solutions
Azeotropic mixtures are:
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NUST Entry Test
Chemistry
Solutions
The solution which distills without change in composition is called:
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NUST Entry Test
Chemistry
Solutions
Which pair of mixture is called ideal solution:
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NUST Entry Test
Chemistry
Solutions
A mixture of benzene and toluene form:
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Chemistry
Solutions
The relative lowering vapour pressure of solution is equal to ratio between number of:
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NUST Entry Test
Chemistry
Solutions
Partial pressure of two liquid solutions is directly proportional to the mole fractions of liquids.This statement is known as:
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NUST Entry Test
Chemistry
Solutions
15 g of urea is dissolved in $180cm^{3}$ of water.The relative lowering of vapours will be:
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NUST Entry Test
Chemistry
Solutions
Raoult's law is obeyed by two miscible liquids if:
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NUST Entry Test
Chemistry
Solutions
Different solutions obey the Raoult's law when:
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NUST Entry Test
Chemistry
Solutions
The ratio between lowering in vapour pressure of solution and mole fraction of solute is equal to:
NET
NUST Entry Test
Chemistry
Solutions
The vapour pressure of solution having non-volatile solute is directly proportional to the:
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NUST Entry Test
Chemistry
Solutions
In case of non-volatile solute lowering of vapour pressure is proportional to:
NET
NUST Entry Test
Chemistry
Solutions
Relative lowering of vapour pressure is:
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NUST Entry Test
Chemistry
Solutions
The lowering of vapour pressure is directly proportional to the:
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NUST Entry Test
Chemistry
Solutions
The temperature at which partially immiscible pair of liquid leads to the formation of a single phase is called:
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Chemistry
Solutions
If equal volumes of water and phenol are mixed together, they show:
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NUST Entry Test
Chemistry
Solutions
Which of the following system is not an example of conjugate solutions:
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NUST Entry Test
Chemistry
Solutions
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