Matter's Purity MCQ Quiz – Part 3
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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 |
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| Subject | Chemistry |
| Chapter | Matter’s Purity |
| Part | 3 |
| 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
The scattering of light by colloidal particles is called
Correct
➤ Tyndall effect = scattering of light.
➤ Seen in colloids.Incorrect
➤ Tyndall effect = scattering of light.
➤ Seen in colloids. -
Question 2 of 25
2. Question
Tyndall effect is observed in
Correct
➤ Colloids show Tyndall effect.
➤ Solutions do not.Incorrect
➤ Colloids show Tyndall effect.
➤ Solutions do not. -
Question 3 of 25
3. Question
Why do colloids show Tyndall effect?
Correct
➤ Colloid particles scatter light.
➤ Due to intermediate size.Incorrect
➤ Colloid particles scatter light.
➤ Due to intermediate size. -
Question 4 of 25
4. Question
Which of the following will show Tyndall effect?
Correct
➤ Milk is colloid → shows Tyndall effect.
Incorrect
➤ Milk is colloid → shows Tyndall effect.
-
Question 5 of 25
5. Question
Which of the following will NOT show Tyndall effect?
Correct
➤ True solutions do not scatter light.
Incorrect
➤ True solutions do not scatter light.
-
Question 6 of 25
6. Question
Fog is an example of
Correct
➤ Fog = liquid in gas (aerosol).
➤ Type of colloid.Incorrect
➤ Fog = liquid in gas (aerosol).
➤ Type of colloid. -
Question 7 of 25
7. Question
Milk is an example of
Correct
➤ Milk = liquid in liquid (emulsion).
Incorrect
➤ Milk = liquid in liquid (emulsion).
-
Question 8 of 25
8. Question
Cheese is an example of
Correct
➤ Cheese = liquid in solid (gel).
Incorrect
➤ Cheese = liquid in solid (gel).
-
Question 9 of 25
9. Question
Smoke is an example of
Correct
➤ Smoke = solid particles in gas.
➤ Aerosol type.Incorrect
➤ Smoke = solid particles in gas.
➤ Aerosol type. -
Question 10 of 25
10. Question
Shaving cream is an example of
Correct
➤ Foam = gas in liquid.
➤ Example: shaving cream.Incorrect
➤ Foam = gas in liquid.
➤ Example: shaving cream. -
Question 11 of 25
11. Question
The process of separating insoluble solid from liquid using a filter is called
Correct
➤ Filtration separates solid from liquid.
➤ Uses filter paper.Incorrect
➤ Filtration separates solid from liquid.
➤ Uses filter paper. -
Question 12 of 25
12. Question
Which method is used to separate two immiscible liquids?
Correct
➤ Separating funnel separates immiscible liquids.
➤ Example: oil and water.Incorrect
➤ Separating funnel separates immiscible liquids.
➤ Example: oil and water. -
Question 13 of 25
13. Question
Which method is used to separate salt from seawater?
Correct
➤ Evaporation removes water leaving salt.
Incorrect
➤ Evaporation removes water leaving salt.
-
Question 14 of 25
14. Question
Which method is used to separate components of ink?
Correct
➤ Chromatography separates dissolved substances.
Incorrect
➤ Chromatography separates dissolved substances.
-
Question 15 of 25
15. Question
Which method is used to separate cream from milk?
Correct
➤ Centrifugation separates based on density.
Incorrect
➤ Centrifugation separates based on density.
-
Question 16 of 25
16. Question
Which method is used to separate ammonium chloride from salt?
Correct
➤ Sublimation separates sublimable substances.
Incorrect
➤ Sublimation separates sublimable substances.
-
Question 17 of 25
17. Question
Which method is used to separate solids of different sizes?
Correct
➤ Sieving separates based on particle size.
Incorrect
➤ Sieving separates based on particle size.
-
Question 18 of 25
18. Question
Which method is used to separate liquids with large difference in boiling point?
Correct
➤ Simple distillation → large boiling point difference.
Incorrect
➤ Simple distillation → large boiling point difference.
-
Question 19 of 25
19. Question
Which method is used when boiling point difference is small?
Correct
➤ Fractional distillation → small difference (<25°C).
Incorrect
➤ Fractional distillation → small difference (<25°C).
-
Question 20 of 25
20. Question
Which method is used to purify solids?
Correct
➤ Crystallisation purifies solids.
➤ Removes impurities.Incorrect
➤ Crystallisation purifies solids.
➤ Removes impurities. -
Question 21 of 25
21. Question
Which method is used to separate butter from cream?
Correct
➤ Centrifugation separates denser particles.
➤ Used for butter extraction.Incorrect
➤ Centrifugation separates denser particles.
➤ Used for butter extraction. -
Question 22 of 25
22. Question
Which method is used to separate water from alcohol?
Correct
➤ Distillation separates miscible liquids.
➤ Based on boiling point.Incorrect
➤ Distillation separates miscible liquids.
➤ Based on boiling point. -
Question 23 of 25
23. Question
Which method is used to separate sand and salt mixture?
Correct
➤ Salt dissolves, sand remains.
➤ Then filter and evaporate.Incorrect
➤ Salt dissolves, sand remains.
➤ Then filter and evaporate. -
Question 24 of 25
24. Question
Which method is used to separate dyes in ink?
Correct
➤ Chromatography separates colors.
➤ Based on solubility.Incorrect
➤ Chromatography separates colors.
➤ Based on solubility. -
Question 25 of 25
25. Question
Which method is used to separate oil from water?
Correct
➤ Immiscible liquids separated by funnel.
Incorrect
➤ Immiscible liquids separated by funnel.