Solutions Part 1 FSC Chemistry MCQs


FSC Physics MCQs Part 2 Physics Part 1 HSSC Pre Medical Pre Engineering text Book Questions first year and second-year Physics mcqs

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[question]
Which of the following solutions of H2SO4 is more concentrated?
A. 1 Molar solution B. 1 molal solution
C. 1 normal solution D. all have same concentration
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[explanation]A[/explanation]
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[question]
The molal boiling point constant is the ration of the elevation of boiling point to
A. Molarity B. Molality
C. More fraction of solvent D. Mole fraction of solute
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[explanation]B[/explanation]
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[question]
Which of the following is not a colligative property?
A. Lowering of vapour pressure B. Freezing point
C. Osmotic pressure D. Elevation of polling point
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[explanation]B[/explanation]
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[question]
When common salt is dissolved in water?
A. Boiling point of water dicrease B. Boiling point of water increase
C. Boiling point of water remains same D. None of the above
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[explanation]B[/explanation]
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[question]
Solution with maximum concentration of solute at given temperature is called
A. Super saturated solution B. unsaturated solution
C. saturated solution D. dilute solution
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[explanation]C[/explanation]
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[question]
In partially miscible liquids the two layers are
A. saturated solutions of each liquid B. unsaturated solutions of each liquid
C. normal solution of each liquid D. no layer formation takes place
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[explanation]A[/explanation]
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[question]
The relative lowering of vapour pressure is
A. equal to the mole fraction of solvent B. equal to the mole fraction of solute
C. directly proportional to the mole fraction of solute D. both b & c
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[explanation]D[/explanation]
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[question]
Concentration of solute molecule when they are in equilibrium with solid substance at particular temperature is called
A. saturated solution B. solubility
C. unsaturated solution D. super saturated solution
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[explanation]B[/explanation]
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[question]
The determination of correct molecular weight from Raoults law is applicable to
A. a volatile solute in dilute solution
B. a non-electrolyte & non volatile solute in concentrated solution
C. a non-electrolyte & non volatile solute in concentrated solute
D. non volatile solute in a dilute solution
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[explanation]D[/explanation]
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[quiz]
[question]
Beckmanns apparatus is used to measure
A. boiling point elevation B. depression in freezing point
C. lowering of vapour pressure D. lowering of osmotic pressure
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[explanation]B[/explanation]
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