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Solutions & Colligative Properties
JEE Chemistry • 10 questions • Free on ExamBattle
Practice Questions
Q1
Molality is defined as moles of solute per:
- A. Litre of solution
- B. Kilogram of solvent
- C. Litre of solvent
- D. Kilogram of solution
Q2
According to Raoult's law, the partial vapour pressure of a component is proportional to its:
- A. Molarity
- B. Mole fraction
- C. Mass fraction
- D. Normality
Q3
Osmotic pressure of a solution is given by:
- A. π = MRT
- B. π = nRT
- C. π = CRT²
- D. π = PV
Q4
The boiling point elevation is given by ΔTb = Kb × m. Kb is called:
- A. Cryoscopic constant
- B. Ebullioscopic constant
- C. Gas constant
- D. Van't Hoff factor
Q5
A solution that obeys Raoult's law over the entire range is called:
- A. Real solution
- B. Ideal solution
- C. Saturated solution
- D. Supersaturated solution
Q6
Reverse osmosis is used for:
- A. Increasing concentration
- B. Desalination of water
- C. Measuring molecular weight
- D. Dissolving solutes
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