Entry Test MCQ :: Solutions
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1. |
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 |
Answer: Option A
Explanation:
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2. |
Which of the following unit of concertration is independent of temperature? |
A. |
Molarity |
B. |
Molality |
C. |
Mole fraction |
D. |
all |
Answer: Option B
Explanation:
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3. |
Which of the following is an example of liquid in gas solution. |
A. |
Opals |
B. |
Dust particles in smoke |
C. |
Paints |
D. |
Fog |
Answer: Option D
Explanation:
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4. |
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 |
Answer: Option B
Explanation:
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5. |
Which of the following are the conditions of colligative properties |
A. |
Non-electrolye solute |
B. |
Non-volatile solute |
C. |
Dilute solution |
D. |
All of the above |
Answer: Option D
Explanation:
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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 |
Answer: Option C
Explanation:
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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 |
Answer: Option B
Explanation:
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8. |
Which of the following substance do not show continuous solubility curve? |
A. |
KCIO4 |
B. |
Na2SO4. 10H2O |
C. |
K2Cr2O7 |
D. |
PbCl2 |
Answer: Option B
Explanation:
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9. |
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 |
Answer: Option B
Explanation:
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10. |
Every sample of matter with uniform properties and fixed composition is called |
A. |
solute |
B. |
solvent |
C. |
solution |
D. |
phase |
Answer: Option D
Explanation:
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