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MCQ Questions for Class 6 Science with Answers
Q1. Which method is used to separate pebbles and stones from sand?
(i) Handpicking
(ii) Winnowing
(iii) Sieving
(iv) Any of these
(iii) Sieving
Q2. Larger quantity of salt can be dissolved in water by:
(i) Heating
(ii) Coaling
(iii) Icing
(iv) None of these
(i) Heating
Q3. Butter is separated from milk by
(i) sedimentation
(ii) filtration
(iii) churning
(iv) decantation
(iii) churning
Q4. Chalk powder suspension in water can be separated by
(i) Filtration
(ii) Evaporation
(iii) Condensation
(iv) Decantation
(i) Filtration
Q5. Sand from water is separated by
(i) sieving
(ii) evaporation
(iii) filtration
(iv) sedimentation and decantation
(iv) sedimentation and decantation
Q6. To separate husk from grains in a field by
(i) Tailor
(ii) Grocer
(iii) Watchman
(iv) Farmers
(iv) Farmers
Q7. Threshing is done by
(i) beating
(ii) animals
(iii) machines
(iv) all of these
(iv) all of these
Q8. The process of conversion of water into its vapours is called
(i) evaporation
(ii) condensation
(iii) guttation
(iv) transpiration
(i) evaporation
Q9. The grains which are fall vertically down on the ground,
(i) Heavier
(ii) Lighter
(iii) Stronger
(iv) None of these
(i) Heavier
Q10. The method that is used to obtain pure salt from impure salt
(i) Decantation
(ii) Evaporation
(iii) Crystallization
(iv) Condensation
(iii) Crystallization
Q11. A solid is dissolved in water. Which one of the following methods can be used to separate it?
(i) Filtration
(ii) Decantation
(iii) Distillation
(iv) Evaporation
(iv) Evaporation
Q12. What kind of mixtures are alloys?
(i) Solid-Gas
(ii) Liquid-Liquid
(iii) Gas-Gas
(iv) Solid-Solid
(iv) Solid-Solid
Q13. A mixture of ammonium chloride and sand is separated by
(i) evaporation
(ii) decantation
(iii) sublimation
(iv) filtration
(iii) sublimation
Q14. A method of separation used when the components of a mixture are of different sizes is known as:
(i) Separation
(ii) Winnowing
(iii) Sieving
(iv) None of these
(iii) Sieving
Q15. Which of the following method is used when there is a difference in size and colour of desirable and undesirable constituents?
(i) Handpicking
(ii) Threshing
(iii) Filtration
(iv) Decantation
(i) Handpicking
Q16. Identify the compound from the following.
(i) Oxygen
(ii) Carbon dioxide
(iii) Hydrogen
(iv) Air
(ii) Carbon dioxide
Q17. The property which forms the basis of sieving
(i) difference in weight
(ii) difference in colour
(iii) difference in shape
(iv) difference in size
(iv) difference in size
Q18. water is cleared by the process of loading.
(i) Lemon water
(ii) Milky water
(iii) Muddy water
(iv) None of these
(iii) Muddy water
Q19. The components of a solution of sugar in water can be separated by
(i) filtration
(ii) crystallisation
(iii) decantation
(iv) sedimentation
(ii) crystallisation
Q20. Separation of kerosene oil and water is done by
(i) Decantation
(ii) Filtration
(iii) Condensation
(iv) Crystallisation
(i) Decantation
Q21. Give examples of substances used in daily life.
(i) Sugar
(ii) Common salt
(iii) Wheat
(iv) All of these
(iv) All of these
Q22. The process of separating grains from the stalks is called
(i) handpicking
(ii) threshing
(iii) decantation
(iv) evaporation
(ii) threshing
Q23. To evaporate a liquid into its vapour, heat the liquid __
(i) Above its melting point
(ii) Below its boiling point
(iii) Below its melting point
(iv) Above its boiling point
(ii) Below its boiling point
Q24. Money substances contain only one type of constituent particles are called:
(i) Mixture
(ii) Pure substances
(iii) Winnowing
(iv) None of these
(ii) Pure substances
Q25. A mesh which is used to separate things on the basis of their difference in size
(i) sieve
(ii) thresher
(iii) filter paper
(iv) none of these
(i) sieve
Q26. Separating the insoluble suspended solids of various sizes from a liquid is called
(i) Filtration
(ii) Crystallization
(iii) Evaporation
(iv) Condensation
(i) Filtration
Q27. A separation method which involves blowing of light particles by air is known as:
(i) Winnowing
(ii) Decantation
(iii) Filtration
(iv) None of these
(i) Winnowing
Q28. The separation of insoluble solids from liquids can be done by
(i) sedimentation
(ii) decantation
(iii) loading
(iv) all of these
(i) sedimentation
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MCQ Questions for Class 6 Science with Answers
- Lesson 1. Food Where Does It Come From Class 6 MCQ
- Lesson 2. Components of Food Class 6 MCQ
- Lesson 3. Fibre to Fabric Class 6 MCQ
- Lesson 4. Sorting Materials Into Groups Class 6 MCQ
- Lesson 5. Separation of Substances Class 6 MCQ
- Lesson 6. Changes Around Us Class 6 MCQ
- Lesson 7. Getting to Know Plants Class 6 MCQ
- Lesson 8. Body Movements Class 6 MCQ
- Lesson 9. The Living Organisms and Their Surroundings Class 6 MCQ
- Lesson 10. Motion and Measurement of Distances Class 6 MCQ
- Lesson 11. Light Shadows and Reflection Class 6 MCQ
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