Solutions Test-04

Solutions Test-04

This is Solutions Test-04 for CBSE class 12 Chemistry.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
In which unit, the concentration of solution remains independent of temperature
  • A
    molality
    Correct
  • B
    normaility
  • C
    molarity
  • D
    formality
2
Calculate the molarity of liquid HCl solution whose density is 1.17 $g/cm^3$.
  • A
    32.05
    Correct
  • B
    36.5
  • C
    18.25
  • D
    42.10
3
6.3 g oxalic acid is used to make 250 mL aqueous solution .The volume of 0.1N NaOH solution required to neutralize completely 10 mL of this solution is
  • A
    20 mL
  • B
    4mL
  • C
    40 mL
    Correct
  • D
    10 mL
4
The depression in freezing point for 1M urea, 1 M glucose and 1 M NaCl are in the ratio of
  • A
    1:1:2
    Correct
  • B
    1:2:3
  • C
    3:2:2
  • D
    1:1:1
5
35 mL of 0.1 M solution is used to neutralize 25 mL of barium hydroxide. The molarity of Barium hydroxide solution is
  • A
    0.14
  • B
    0.28
  • C
    0.07
    Correct
  • D
    0.35
6
To neutralize completely 40 mL of 0.1M aqueous solution of KOH, the volume of 0.1M aqueous solution of phosphoric acid required is
  • A
    10 mL
  • B
    40 mL
  • C
    60 mL
  • D
    20 mL
    Correct
7
Which will form maximum boiling azeotrope?
  • A
    ${C_6}{H_6} + {\text{ }}{C_6}{H_5}C{H_3}$
  • B
    ${C_2}{H_5}OH{\text{ }} + {\text{ }}{H_2}O$
  • C
    None of these
  • D
    $HN{O_3} + {\text{ }}{H_2}O$
    Correct
8
Which among the following show positive deviation?
  • A
    Acetone and aniline
  • B
    Chloroform and benzene
  • C
    Acetone and carbon disulphide
    Correct
  • D
    Hydrochloric acid and water
9
Which among the following show negative deviation?
  • A
    Carbon tetrachloride and chloroform
  • B
    Chloroform and benzene
    Correct
  • C
    Methyl alcohol and water
  • D
    Acetone and benzene
10
Which among the following form nearly ideal solutions?
  • A
    Chloroform and benzene
  • B
    Alcohol and water
  • C
    Acetone and aniline
  • D
    Benzene and Toluene
    Correct
11
Normality of 0.3 M phosphoric acid is
  • A
    0.9
    Correct
  • B
    0.1
  • C
    0.5
  • D
    0.6
12
A 500 g of tooth paste has 0.2 g of fluoride concentration. Fluorine concentration in terms of ppm is
  • A
    250
  • B
    1000
  • C
    200
  • D
    400
    Correct
13
The concentration of a solution is 0.3 X 10-2 moles/litre. Osmotic pressure of the solution at 300K is
  • A
    0.0821 atm
    Correct
  • B
    8.314 atm
  • C
    8.21 atm
  • D
    0.821 atm
14
Following set up is used to measure
Question 14 figure 1
  • A
    Osmotic pressure
    Correct
  • B
    Relative lowering of vapour pressure
  • C
    Depression in freezing point
  • D
    Elevation in boiling point
15
The following graph shows
Question 15 figure 1
  • A
    Depression in freezing point of the solvent
    Correct
  • B
    Relative lowering of vapour pressure
  • C
    Elevation in boiling point of the solvent
  • D
    Osmotic pressure