CBSE Class 6 Science HOTs Separation Of Substances

Refer to CBSE Class 6 Science HOTs Separation Of Substances. We have provided exhaustive High Order Thinking Skills (HOTS) questions and answers for Class 6 Science Separation Of Substances. Designed for the 2026-27 exam session, these expert-curated analytical questions help students master important concepts and stay aligned with the latest CBSE, NCERT, and KVS curriculum.

High Order Thinking Skills: Class 6 Science Separation Of Substances

Want to boost your grades in Science? Solving Class 6 Science HOTS Questions is a great way to build strong logic. Review the step-by-step answers below to increase your speed and feel fully ready for your Class 6 exams.

HOTS Questions and Answers for Class 6 Science Separation Of Substances

Separation Of Substances

1. The rate of sedimentation is increased by adding ____ to the water.

a. Salt

b. Sugar

c. Alum

d. Soap

2. The process followed to separate grains form the stalks is called

a. Winnowing

b. Threshing

c. Sieving

d. Hand picking

3. The process of increasing the rate of sedimentation in a suspension by adding some chemical is

a. Filtration

b. Crystallisation

c. Loading

d. Condensation

4. The process of separating the constituents of a liquid by agitating it vigorously

a. Evaporation

b. Churning

c. Filtration

d. Sedimentation

5. The method that is used to obtain pure salt from impure salt

a. Decantation

b. Crystallization

c. Evaporation

d. Condensation

6. A solution which cannot dissolve more of a given substance at a given temperature is

a. Solution

b. Filtrate

c. Saturated solution

d. Unsaturated solution

7. This harmful microbe in water causes typhoid and jaundice

a. Virus

b. Bacteria

c. Algae

d. Fungi

8. Rain water is a kind of

a. saline water

b. distilled water

c. carbonated water

d. saturated water

9. The method used to separate a dissolved solid component from its solution

a. Evaporation

b. Filtration

c. sedimentation

d. Decantation

10. Butter is separated from curd by the process of

a. Filtration

b. Heating

c. Churning

d. Sieving 

11. A pure solid is obtained from its solution by the process of

a. Condensation
 
b. decantation
 
c. Sedimentation
 
d. Filtration
 
12. Separating the insoluble suspended solids of various sizes from a liquid is called
 
a. Filtration
 
b. Crystallization
 
c. Evaporation
 
d. Condensation
 
13. Cotton fibre is separated from cotton seeds by the process of

a. Churning
 
b. Boiling
 
c. Colouring
 
d. Ginning
 
14. Principle behind winnowing is

a. Difference in densities of components
 
b. Difference in colours of components
 
c. Difference in appearance of components
 
d. Difference in shapes of components
 
15. Paneer is separated from curdled milk

a. Condensation
 
b. Filtration
 
c. evaporation
 
d. sedimentation
 
16. The process due to which steam changes into liquid state on cooling

a. Decantation
 
b. Sedimentation
 
c. Filtration
 
d. Evaporation
 
17. Corn is separated from husk by the process of

a. Sieving
 
b. Winnowing
 
c. Churning
 
d. Handpicking
 
18. A mixture of sugar and water can be separated by

a. Filtration
 
b. Evaporation
 
c. Separating funnel
 
d. decantation
 
19. A saturated solution can dissolve more of a substance on

a. Cooling
 
b. Heating
 
c. Condensing
 
d. Evaporating
 
21. The clear liquid obtained after filtration is called
 
a. Water
 
b. Filtrate
 
c. Solution
 
d. Residue
 
22. Alum is added to muddy water to 

a. Hasten sedimentation rate
 
b. Remove colour
 
c. Kill bacteria 
 
d. Impart a sweet taste
 
23. The process of making particles of mud heavy with alum
 
a. Decantation
 
b. loading
 
c. Filtration
 
d. Condensation
 
24. The addition of bleaching powder to the water
 
a. Kills the microorganism
 
b. Feeds the microorganisms
 
c. Helps the microorganisms to grow
 
d. None of these
 
25. Separation of kerosene oil and water is done by

a. Decantation 

b. Filtration
 
c. Condensation
 
d. Crystallisation

Answer Key: Separation of Substances

1)c 2)b 3)c 4)b 5)b 6)c 7)b 8)b 9)a 10)c 11)a 12)a 13)d 14)a 15)b 16)d 17)b 18)b 19)b 20)b 21)b 22)a 23)b 24)a 25)a

Free study material for Science

Higher Order Thinking Skills (HOTS) for Class 6 Science Separation Of Substances

Challenging Questions for Class 6 Science Separation Of Substances

Master core concepts in Separation Of Substances with these targeted Higher Order Thinking Skills (HOTS) problems. Built for Class 6 Science students following the CBSE curriculum, these exercises challenge analytical thinking and improve problem-solving speed.

How to Use These Class 6 Science HOTS

Each question in this set is mapped directly to the official NCERT book for Class 6. Review the detailed answer keys provided below each problem to verify your solution steps and correct mistakes early.

More Study Resources for Class 6 Science

Looking for more practice? Explore our complete library of Class 6 Science worksheets, chapter notes, and online mock tests. Everything is provided free of charge to support your academic goals.

FAQs

Where can I download the latest PDF for CBSE Class 6 Science HOTs Separation Of Substances?

You can download the teacher-verified PDF for CBSE Class 6 Science HOTs Separation Of Substances from StudiesToday.com. These questions have been prepared for Class 6 Science to help students learn high-level application and analytical skills required for the 2026-27 exams.

Why are HOTS questions important for the 2026 CBSE exam pattern?

In the 2026 pattern, 50% of the marks are for competency-based questions. Our CBSE Class 6 Science HOTs Separation Of Substances are to apply basic theory to real-world to help Class 6 students to solve case studies and assertion-reasoning questions in Science.

How do CBSE Class 6 Science HOTs Separation Of Substances differ from regular textbook questions?

Unlike direct questions that test memory, CBSE Class 6 Science HOTs Separation Of Substances require out-of-the-box thinking as Class 6 Science HOTS questions focus on understanding data and identifying logical errors.

What is the best way to solve Science HOTS for Class 6?

After reading all conceots in Science, practice CBSE Class 6 Science HOTs Separation Of Substances by breaking down the problem into smaller logical steps.

Are solutions provided for Class 6 Science HOTS questions?

Yes, we provide detailed, step-by-step solutions for CBSE Class 6 Science HOTs Separation Of Substances. These solutions highlight the analytical reasoning and logical steps to help students prepare as per CBSE marking scheme.