A. 1 Molar solution
B. 1 molar solution
C. 1 normal solution
D. All have the same concentration
✅ The correct answer is option A.
Solutions MCQs
2. Which of the following unit of concentration is independent of temperature?
A. Molarity
B. Molality
C. Mole fraction
D. All
✅ The correct answer is option B.
3. Which of the following is an example of liquid in gas solution?
A. Opals
B. Dust particles in smoke
C. Paints
D. Fog
✅ The correct answer is option D.
4. The molal boiling point constant is the ration of the elevation of the boiling point to
A. Molarity
B. Molality
C. More fraction of solvent
D. The mole fraction of solute
✅ The correct answer is option B.
5. Which of the following are the conditions of colligative properties
A. Non-electrolyte solute
B. Non-volatile solute
C. Dilute solution
D. All of the above
✅ The correct answer is option D.
6. Which has the minimum freezing point?
A. One Molal NaCI
B. One molal KCI solution
C. One molal CaCI2
D. One molal urea solution
✅ The correct answer is option C.
7. 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
✅ The correct answer is option B.
8. Which of the following substance do not show continuous solubility curve?
A. KCIO4
B. Na2SO4. 10H2O
C. K2Cr2O7
D. PbCl2
✅ The correct answer is option B.
9. When common salt is dissolved in water?
A. The boiling point of water decreases
B. The boiling point of water increase
C. The boiling point of water remains the same
D. None of the above
✅ The correct answer is option B.
10. Every sample of matter with uniform properties and fixed composition is called
A. Solute
B. Solvent
C. Solution
D. Phase
✅ The correct answer is option D.