| 1 |
5g of glucose is dissolved fro 100 cm of solution. Percentage of solution is : |
5 % v/w
5 % v/w
5 % w/v
5 % w/w
|
| 2 |
The ratio of moles of a particular component of solution to total moles of all components of solution is : |
Mole fraction.
Molality.
Molarity.
Normality.
|
| 3 |
The sum of mole percent of all the components of solution is always equal to : |
Less than 100
One
100
10
|
| 4 |
10g of NaOH has been dissolved per kg of solvent. The molality of solution is : |
.25 m
1.5 m
.5 m
2.5 m
|
| 5 |
10g Of NaOH Has Been
Dissolved Perdm3of solution. The morality of solution is :
|
0.025 M
1.5 M
0.1 M
.25 M
|
| 6 |
A solution sucrose is 34.2%. The volume of solution containing one mole of solute : |
342<span style="font-family: Arial, sans-serif; font-size: 10.5pt;">cm</span><sup>3</sup><p class="MsoNormal"><o:p></o:p></p>
1000<span style="font-family: Arial, sans-serif; font-size: 10.5pt;">cm</span><sup>3</sup><p class="MsoNormal"><o:p></o:p></p>
500<span style="font-family: Arial, sans-serif; font-size: 10.5pt;">cm</span><sup>3</sup>
242<span style="font-family: Arial, sans-serif; font-size: 10.5pt;">cm</span><sup>3</sup>
|
| 7 |
(A) is one molar NaCl solution and (b) is 1 molal NaCl solutin : |
A and B are of same strength.
A is more Concentrate than B.
b is more Concentrate than A.
None of above.
|
| 8 |
A solution of glucose is 10% The volume to which 1g mole of it dissolved will be : |
8.1 dm<sup>3</sup><p class="MsoNormal"><o:p></o:p></p><p class="MsoNormal"><o:p></o:p></p>
1.7 dm<sup>3</sup><p class="MsoNormal"><o:p></o:p></p>
1.8 dm<sup>3</sup><p class="MsoNormal"><o:p></o:p></p>
6.1 dm<sup>3</sup><p class="MsoNormal"><o:p></o:p></p>
|
| 9 |
Molarity of pure water is : |
33.3
55.5
44.4
66.6
|
| 10 |
To calculate volume of the solvent, we need to know, the : |
Density of solute
Normality of solute
Mass of solute
Molarity of solute
|
| 11 |
As compared to molar solution, in the molal solution the quantity of solvent is : |
Comparatively lesser
More or less equal
Comparatively greater
Very large
|
| 12 |
The number of moles of solute in 1000g (1 Kg) of the solvent is called : |
Molarity
Molarity
Normality
Mole fraction
|
| 13 |
The number of moles of solute dissolved per dm3 of the solution is called : |
Normality.
Molarity.
Molarity.
None of above.
|
| 14 |
In which type of following solutions the total volume of solutions may not be necessarily equal to sum of volumes of solute and solvent ? |
Percentage volume/volume
Percentage volume/weight
Percentage weight/volume
Percentage weight/weight
|
| 15 |
In which type of following solutions we don't know the total volume of the solutions : |
Percentage weight/weight
Percentage weight/volume
Percentage volume/volume
Percentage volume/weight
|
| 16 |
Solutions containing relatively lower concentrations of solute are called : |
Concentrated solutions.
Lighter solutions.
Dilute solutions.
None of above.
|
| 17 |
The substance which is present in large quantity is called a : |
Solute
Solvent
solutiion
None of Above
|
| 18 |
A solution is a homogeneous mixture of two or more kinds different : |
Molecular.
Covalent substance
Ionic Substances
Both (a) and (c)
|
| 19 |
Every sample of matter with uniform properties and a fixed composition is called a : |
Solid
Liquid.
Phase.
Gas.
|
| 20 |
Colligative properties are the properties of : |
Dilute solutions which behave as nearly ideal solutions.
Concentrated solutions which behave as nearly non-ideal solutions.
Both(i) and (ii)
Neither (i) nor (ii)
|
| 21 |
The molar boiling point constant is the ration of elevation in boiling point to : |
Molarity
Molarity
Mole fraction of solvent
Mole fraction of solute.
|
| 22 |
The solutions of NaCl and KCl are prepared separately by dissolving same amount of solute in water, which of the following statements is true fro these solutions ? |
KCl solution will have higher boiling point than NaCl solution.
Both the solutions have same boiling points.
KCl and NaCl solutions possess same vapour pressure.
KCl solution possesses lower freezing point than NaCl solution.
|
| 23 |
Which of the following solutions has the highest boiling point ? |
5.85% solution of sodium chloride.
18.0% solution of glucose.
6.0% solution of urea.
All have same boiling points.
|
| 24 |
An azeotropic mixture showing it's positive deviation from Raoult's law, the volume of the mixture is : |
Slightly more than the total volume of the components.
Slightly less than the total volume of the components.
Equal to the total volume of the components.
None of these.
|
| 25 |
An azeotropic mixture of two liquids boils at a lower temperature than either of them when : |
It is saturated.
It shows positive deviation from Raoult's law.
It show negative deviation from Raoult's law.
It is metastable.
|
| 26 |
A solution of glucose is of methanol in water has vapor pressure : |
Equal that of water.
Equal to that of methanol.
More than that of water.
Less than that f water.
|
| 27 |
18 g glucose is dissolved in 90 g of water. The relative lowering vapor pressure is equal to : |
1/5
5.1
1/51
6
|
| 28 |
The osmotic pressure of a dilute solution is directly proportional to the |
Diffusion rate of the solute
Ionic concentration
Elevation in boiling point
Flow of solvent from a concentrated to a dilute solution
|
| 29 |
The vant Hoff factor (1) accounts for |
Degree of solubilisation of solute
The extent of dissolution of solute
The extent of dissolution of solute
The degree of decomposition of solution
|
| 30 |
Equal volumes of ethylene glycol (molar mass = 62) and water (molar mass = 18) are mixed. The depression in freezing point of water is (given Krof water = 1.86 K mol-1kg and specific gravity of ethylene glycol is 1.11) |
0.003
3.33
0.333
33.3
|
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