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Practice QuestionsMCQ (Single Correct Answer)
1
The boiling points of 0.01 M aqueous solution of sucrose, NaCl and $\mathrm{CaCl}_2$ would be
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2
The osmotic pressure of solution prepared by dissolving 25 mg of $\mathrm{K}_2 \mathrm{SO}_4$ in 2 litre of water at $25^{\circ} \mathrm{C}$ is (Assuming that it is completely dissociated)
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3
The density of 3 M solution of NaCl is $1.25 \mathrm{~g} / \mathrm{mL}$. What is the molality of solution?
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4
Match the Column I with Column II.
| Column I (Aqueous solutions) |
Column II (Elevation in boiling point) |
||
|---|---|---|---|
| A. | $$\mathrm{0.0001~M~NaCl}$$ | I. | 0.02 |
| B. | $$\mathrm{0.0001~M~Urea}$$ | II. | 0.003 |
| C. | $$\mathrm{0.001~M~MgCl_2}$$ | III. | 0.0001 |
| D. | $$\mathrm{0.01~M~NaCl}$$ | IV. | 0.0002 |
Mark the correct option
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