Worksheet on Nature of solution

Solution obtains when solutes are dissolved in solvents. Solvent is present in greater quantity and solute is present is less amount. The amount of solute dissolved in a unit volume of solution is the concentration of the solute.

In this article you can find some questions related to Nature of solution and their answers:



1. The physical state of solution can be:

(a)    solid

(b)   always liquid

(c)    liquid, solid or gas

(d)   none of these


2. when a saturated solution of sodium chloride is heated, it becomes:

(a)    saturated

(b)   unsaturated

(c)    supersaturated

(d)   achieves equilibrium state


3. The tow solutions having same molalities will have same value of:

(a)    normality

(b)   mole fraction

(c)    molarity

(d)   lowering of vapour pressure


4. The number of moles of sodium hydroxide present in 2.5 L and 0.5 M aqueous solution will be:

(a)    1.2

(b)   1.6

(c)    1.4

(d)   1.8


5. The molality of .3 15% (W/ V) solution of H_2O_4 of density 1.1 g .cm^3 is nearly:

(a)    1.2

(b)   1.6

(c)    1.4

(d)   1.8


6. If the molarity of 20% solution of sulphuric acid is 2.55 M. The density of the solution will be:

(a)    2.55 g cm^{-3}

(b)   1.25 g cm^{-3}

(c)    0.125 g L^{-3}

(d)   3.25 g L^{-3}


7. The most convenient way of expressing concentration is:

(a)    normality

(b)   molarity

(c)    molality

(d)    mole fraction


8. The concentration of an aqueous solution of 0.01 M CH_3 OH  solution is very nearly equal to which of the following?

(a)    X_{CH_3OH} = 0.01

(b)   0.01 cm CH_3OH

(c)    0.001 \% CH_3OH

(d)   0.99 M H_2O


9. A molal solution of sodium chloride has a density of 1.21 g ml^{-1}. The molarity of this solution is:

(a)    3.15

(b)   1.143

(c)    2.95

(d)   4.15


10. 50ml of 10 NH_2SO_4, 25 ml of 12 N HCI \text{and} 40 ml of 5 NHNO_3  were mixed together and the volume of the mixture was made 1000 ml by adding water. The normality of the resulting solution will be:

(a)     1 N

(b)   4 N

(c)    5 N

(d)   2 N


11. In liquid CCI_4 which of the following has maximum solubility:

(a)    I_2

(b)   Br_2

(c)    NaCl

(d)   Cl_2


12. Which of the following represents a metastable system?

(a)    an unsaturated solution

(b)   a dilute solution

(c)    a saturated solution

(d)   a supersaturated solution


13. Sugar is soluble in water due to:

(a)    high dipole moment of water

(b)   ionic character of sugar

(c)    high solvation energy

(d)   hydrogen bond formation with water


14. The solubility of a gas increases in a liquid with:

(a)    increase of temperature

(b)   amount of liquid taken

(c)    decrease in temperature

(d)   reduction of gas pressure


15. A mixture of benzene and toluene forms:

(a)    an ideal solution

(b)   suspension

(c)    emulsion

(d)   non-ideal solution


16. The solution of sugar in water contains:

(a)    Free ions

(b)   free atoms

(c)    free molecules

(d)   free atoms and molecules


1.(c)       2. (b)        3. (b)       4. (a)        5. (b)

6. (a)     7. (b)         8. (b)       9. (b)        10. (a)

11. (b)    12. (d)     13. (d)      14. (c)       15. (a)

16. (c)

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