Matter's Purity MCQ Quiz – Part 2
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This Matter’s Purity MCQ Quiz helps aspirants revise important concepts related to pure substances, mixtures, and methods of separation, which are frequently asked in competitive exams. Regular practice of matter’s purity MCQs improves conceptual understanding and helps candidates answer chemistry questions quickly and accurately.
GK Series – Chemistry – Matter’s Purity MCQ Quiz |
|
| Subject | Chemistry |
| Chapter | Matter’s Purity |
| Part | 2 |
| Questions | 25 |
Who Should Attempt This Matter’s Purity MCQ Quiz?
This Matter’s Purity MCQ Quiz is useful for aspirants preparing for SSC, Railways, Defence, and other government job exams, where basic chemistry questions are commonly asked in the General Knowledge section.
Topics Covered in This Matter’s Purity MCQ Quiz
This quiz includes MCQs based on important topics such as elements, compounds, mixtures, homogeneous and heterogeneous mixtures, solutions, suspensions, colloids, and methods of separation like filtration, distillation, and evaporation, along with other fundamental concepts related to purity of matter.
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Question 1 of 25
1. Question
Which of the following is NOT related to concentration?
Correct
➤ Sublimation is a change of state.
➤ Not related to concentration.Incorrect
➤ Sublimation is a change of state.
➤ Not related to concentration. -
Question 2 of 25
2. Question
A suspension is a
Correct
➤ Suspension is heterogeneous.
➤ Non-uniform composition.Incorrect
➤ Suspension is heterogeneous.
➤ Non-uniform composition. -
Question 3 of 25
3. Question
The particle size in a suspension is
Correct
➤ Suspension particles > 1000 nm.
➤ Large and visible.Incorrect
➤ Suspension particles > 1000 nm.
➤ Large and visible. -
Question 4 of 25
4. Question
Which of the following is an example of suspension?
Correct
➤ Muddy water is suspension.
➤ Particles visible.Incorrect
➤ Muddy water is suspension.
➤ Particles visible. -
Question 5 of 25
5. Question
Which of the following is true about suspension?
Correct
➤ Suspension is unstable.
➤ Particles settle.Incorrect
➤ Suspension is unstable.
➤ Particles settle. -
Question 6 of 25
6. Question
Suspension can be separated by
Correct
➤ Large particles can be filtered.
➤ Easy separation.Incorrect
➤ Large particles can be filtered.
➤ Easy separation. -
Question 7 of 25
7. Question
Which property is shown by suspension?
Correct
➤ Suspension shows Tyndall effect.
➤ Scatters light.Incorrect
➤ Suspension shows Tyndall effect.
➤ Scatters light. -
Question 8 of 25
8. Question
Which of the following is NOT true for suspension?
Correct
➤ Suspension is unstable.
➤ Particles settle down.Incorrect
➤ Suspension is unstable.
➤ Particles settle down. -
Question 9 of 25
9. Question
Why are suspension particles visible?
Correct
➤ Large particle size makes them visible.
Incorrect
➤ Large particle size makes them visible.
-
Question 10 of 25
10. Question
Which of the following mixtures settles down on standing?
Correct
➤ Suspension particles settle on standing.
➤ Unstable nature.Incorrect
➤ Suspension particles settle on standing.
➤ Unstable nature. -
Question 11 of 25
11. Question
Which of the following has the largest particle size?
Correct
➤ Suspension has largest particles.
➤ >1000 nm.Incorrect
➤ Suspension has largest particles.
➤ >1000 nm. -
Question 12 of 25
12. Question
A colloid is a
Correct
➤ Colloid is heterogeneous (microscopically).
➤ Appears uniform.Incorrect
➤ Colloid is heterogeneous (microscopically).
➤ Appears uniform. -
Question 13 of 25
13. Question
The particle size in a colloid is
Correct
➤ Colloid particles = 1–1000 nm.
➤ Intermediate size.Incorrect
➤ Colloid particles = 1–1000 nm.
➤ Intermediate size. -
Question 14 of 25
14. Question
Which of the following is an example of colloid?
Correct
➤ Milk is a colloid (emulsion).
➤ Very common example.Incorrect
➤ Milk is a colloid (emulsion).
➤ Very common example. -
Question 15 of 25
15. Question
Which of the following is true about colloids?
Correct
➤ Colloids are stable.
➤ Particles do not settle.Incorrect
➤ Colloids are stable.
➤ Particles do not settle. -
Question 16 of 25
16. Question
Which of the following can separate colloids?
Correct
➤ Colloids are separated by centrifugation.
➤ Not by filtration.Incorrect
➤ Colloids are separated by centrifugation.
➤ Not by filtration. -
Question 17 of 25
17. Question
Which of the following is NOT true for colloids?
Correct
➤ Colloid particles do NOT settle.
➤ Stable system.Incorrect
➤ Colloid particles do NOT settle.
➤ Stable system. -
Question 18 of 25
18. Question
Which mixture appears homogeneous but is actually heterogeneous?
Correct
➤ Colloids look uniform but are not truly homogeneous.
Incorrect
➤ Colloids look uniform but are not truly homogeneous.
-
Question 19 of 25
19. Question
Which of the following has intermediate particle size?
Correct
➤ Colloid lies between solution & suspension.
Incorrect
➤ Colloid lies between solution & suspension.
-
Question 20 of 25
20. Question
Which of the following does NOT show settling?
Correct
➤ Colloids do not settle.
➤ Stable mixture.Incorrect
➤ Colloids do not settle.
➤ Stable mixture. -
Question 21 of 25
21. Question
Which of the following is true about colloidal particles?
Correct
➤ Colloidal particles are not visible.
➤ But scatter light.Incorrect
➤ Colloidal particles are not visible.
➤ But scatter light. -
Question 22 of 25
22. Question
Which of the following best describes a dilute solution?
Correct
➤ Dilute solution has small amount of solute.
➤ More solvent.Incorrect
➤ Dilute solution has small amount of solute.
➤ More solvent. -
Question 23 of 25
23. Question
Which of the following can be converted into saturated solution?
Correct
➤ By adding solute, unsaturated → saturated.
Incorrect
➤ By adding solute, unsaturated → saturated.
-
Question 24 of 25
24. Question
Which factor affects solubility of a substance?
Correct
➤ Solubility depends on temperature.
➤ Key factor.Incorrect
➤ Solubility depends on temperature.
➤ Key factor. -
Question 25 of 25
25. Question
Increasing temperature generally
Correct
➤ Higher temperature → more solute dissolves.
➤ Common trend.Incorrect
➤ Higher temperature → more solute dissolves.
➤ Common trend.