Separation of Substances MCQ Questions for Class 6 Science Chapter 5 with Answers

We have completed the NCERT/CBSE chapter-wise Multiple Choice Questions for Class 6 Science book Chapter 5 Separation of Substances with Answers by expert subject teacher for latest syllabus and examination. You can Prepare effectively for the exam taking the help of the Class 6 Science Objective Questions PDF free of cost from here. Students can take a free test of the Multiple Choice Questions of Separation of Substances. Each Questions has four options followed by the right answer. Download the Science Quiz Questions with Answers for Class 6 free Pdf and prepare to exam and help students understand the concept very well.

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

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