Test Instructions:
- This Mock test contains 20 MCQ questions.
- Choice and sequence for attempting questions will be as per the convenience of the candidate.

- Read each question carefully.
- Determine the one correct answer out of the four available options given for each question.

- Each question awards you 1 point.
- You can end the test any time by clicking “quiz summary>finish quiz”.


- The mock test will automatically be submitted when the time is up.

- You can review all questions once again and evaluate your mistakes by clicking “view questions” when the result is displayed.

- You can apply for Leaderboard when the result is displayed.

- You can re-attempt the exam as per your wish, yet scores of the first attempt will be recorded!
Quiz Summary
0 of 30 Questions completed
Questions:
Information
You must fill out this field. |
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading…
You must sign in or sign up to start the quiz.
You must first complete the following:
Results
Results
0 of 30 Questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
Average score |
|
Your score |
|
Categories
- Not categorized 0%
-
Your Score
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- Current
- Review
- Answered
- Correct
- Incorrect
-
Question 1 of 30
1. Question
1 point(s)Sugar dissolved in water is a ____ type of solution.
CorrectIncorrect -
Question 2 of 30
2. Question
1 point(s)The solubility of a gas in water increases with _______
CorrectIncorrect -
Question 3 of 30
3. Question
1 point(s)At 300k , when a solute is added to a solvent its vapour pressure over mercury reduces from 50mm to 45mm . The value of mole fraction solute will be______
CorrectIncorrect -
Question 4 of 30
4. Question
1 point(s)The boiling point of 0.15 molal aqueous solution of an unknown solute is 373.23 k at 1 atm. The molal elevation constant of water is ________ K kg/mol.
CorrectIncorrect -
Question 5 of 30
5. Question
1 point(s)At 100ºC the vapour pressure of a solution of 6.5 g of a solute in 100 g water is 732 mm. If Kb = 0.52, the boiling point of this solution will be:
CorrectIncorrect -
Question 6 of 30
6. Question
1 point(s)What is the molality of a solution containing 200 mg of urea (molar mass 60 g mol–1) dissolved in 40 g of water ?
CorrectIncorrect -
Question 7 of 30
7. Question
1 point(s)Solubility of which among the following substances in water increases slightly with rise in temperature?
CorrectIncorrect -
Question 8 of 30
8. Question
1 point(s)pA and pB are the vapour pressure of pure liquid components, A and B, respectively of an ideal binary solution. If xA represents the mole fraction of component A, the total pressure of the solution will be
CorrectIncorrect -
Question 9 of 30
9. Question
1 point(s)Dissolving 120 g of urea (mol. wt. 60) in 1000 g of water gave a solution of density 1.15 g/mL. The molarity of the solution is
CorrectIncorrect -
Question 10 of 30
10. Question
1 point(s)A solution of two liquids boils at a temperature more than the boiling point of either of them. Hence, the binary solution shows ______.
CorrectIncorrect -
Question 11 of 30
11. Question
1 point(s)A 5.2 molal aqueous solution of methyl alcohol, CH3OH is supplied. What is the mole fraction of methyl alcohol in the solution?
CorrectIncorrect -
Question 12 of 30
12. Question
1 point(s)18 g of glucose (C6H12O6) is added to 178.2 g of water. The vapour pressure of water for this aqueous solution at 100°C is
CorrectIncorrect -
Question 13 of 30
13. Question
1 point(s)The vapour pressure of acetone at 20ºC is 180 torr . When 1.2 g of an non-volatile substance was dissolved in 100g of acetone at 20ºC, ist vapor pressure was 184 torr . The molar mass (g/mol) of the substance is ______
CorrectIncorrect -
Question 14 of 30
14. Question
1 point(s)A 5% solution of cane sugar (molar mass 342 is isotonic with 1% of a solution of an unknown solute. The molar mass of unknown solute in g/mol is
CorrectIncorrect -
Question 15 of 30
15. Question
1 point(s)An aqueous solution is 1.00 molal in KI. Which change will cause the vapour pressure of the solution to increase?
CorrectIncorrect -
Question 16 of 30
16. Question
1 point(s)What is the osmotic pressure of a 0.0020 mol dm–3 sucrose (C12H22O11) solution at 20°C?
(Molar gas constant, R = 8.314 JK–1 mol–1, 1 dm3 = 0.001 m3?
CorrectIncorrect -
Question 17 of 30
17. Question
1 point(s)6.02 × 1020 molecules of urea are present in 100 mL of its solution. The concentration of solution is
CorrectIncorrect -
Question 18 of 30
18. Question
1 point(s)10 litre solution of urea contains 240 g urea. The active mass of urea will be
CorrectIncorrect -
Question 19 of 30
19. Question
1 point(s)The number of moles of a solute in its solution is 20 and total number of moles are 80. The mole fraction of solute is
CorrectIncorrect -
Question 20 of 30
20. Question
1 point(s)5.0 g of sodium hydroxide (molar mass 40 g m ) is dissolved in little quantity of water and the solution is diluted upto 100 mL. What is the molarity of the resulting solution?
CorrectIncorrect -
Question 21 of 30
21. Question
1 point(s)What is the minimum velocity with which a body of mass m must enter a vertical loop of radius R so that it can be complete the loop?
CorrectIncorrect -
Question 22 of 30
22. Question
1 point(s)A uniform cylinder has length ‘L’ and radius ‘R’ . The moment of inertia of the cylinder about an axis passing through its centre and perpendicular to its length is equal to moment of inertia of the same cylinder about an axis passing through its centre and perpendicular to its circular face. The relation between ‘L’ and ‘R’ is
CorrectIncorrect -
Question 23 of 30
23. Question
1 point(s)The radius of gyration of a uniform rod of length l about an axis passing through a point l/4 away from the centre of the rod and perpendicular to to it is
CorrectIncorrect -
Question 24 of 30
24. Question
1 point(s)A rope is wound around a hollow cylinder of mass 3kg and radius 40cm . What is angular acceleration of cylinder if the rope is pulled with force of 30N?
CorrectIncorrect -
Question 25 of 30
25. Question
1 point(s)A disc has mass ‘M’ and radius ‘R’ . How much tangential force should be applied to the rim of the disc so as to rotate with angular velocity ω in time t ?
CorrectIncorrect -
Question 26 of 30
26. Question
1 point(s)A wheel of moment of inertia 2kgm² is rotating about an axis passing through centre and perpendicular to its plane at a speed s60rad/s. Due to friction, it comes to rest in 5 minutes. The angular momentum of the wheel three minutes before it stops rotating is
CorrectIncorrect -
Question 27 of 30
27. Question
1 point(s)When ‘W’ joule of work done on a flywheel . its frequency of rotation increases from n1 Hz to n2 Hz . The M.I of flywheel about its axis of rotation is given by
CorrectIncorrect -
Question 28 of 30
28. Question
1 point(s)A solid cylinder of mass 2kg and radius 4cm is rotating about its axis at the rate of 3 rpm . The torque required to stop after 2π revolutions is
CorrectIncorrect -
Question 29 of 30
29. Question
1 point(s)A particle is moving in a circular path of radius a under the action of an attractive potential U = -k/2r² . Its total energy is
CorrectIncorrect -
Question 30 of 30
30. Question
1 point(s)For increasing the angular velocity of a object by 10%, the kinetic energy has to be increased by
CorrectIncorrect