This quiz works best with JavaScript enabled. Home > Class 6 > Class 6 Science Chapter 5 Separation Of Substances – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 6 Science Chapter 5 Separation Of Substances Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A pure substance has a fixed melting and boiling points. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 2. If the impurities are larger then which separation method is used?[Assume that the impurities are not always magnetic] A) Magnetic Seperation. B) Winnowing. C) Sieving. D) All of the above. Show Answer Correct Answer: C) Sieving. 3. Materials that allow light to pass through it is called ..... A) Opaque. B) Translucent. C) Transparent. D) None of these. Show Answer Correct Answer: C) Transparent. 4. In the process of separation of clean water from muddy water, clean water is called: A) SOLUTION. B) FILTRATE. C) RESIDUE. D) FILTER. Show Answer Correct Answer: B) FILTRATE. 5. It is an example of pure substance. A) Mixed pulses. B) Sugar. C) Sand. D) Air. Show Answer Correct Answer: B) Sugar. 6. Statement A:A mixture of cement and pebbles can be separated by using the sieve with small poresStatement B:A sieve with small pores will allow only small cement particles to pass through and will hold back the pebbles A) Statement A is true only. B) Statement B is true only. C) Both are true. D) Both are false. Show Answer Correct Answer: C) Both are true. 7. Find the method to separate sand and water from their mixture A) Sedimentation. B) Decantation. C) Sieving and winnowing. D) Sedimentation and Decantation. Show Answer Correct Answer: D) Sedimentation and Decantation. 8. Sieving is used for separating two substances with ..... sizes. A) Different. B) Same. C) Similar. D) Both A nd C. Show Answer Correct Answer: A) Different. 9. If you want to separate dust from grains? What method will you use? A) Filtration. B) Sedimentation. C) Pickling. D) Winnowing. Show Answer Correct Answer: D) Winnowing. 10. What is the method used to separate a mixture of sand and water? A) Magnetic Separation. B) Handpicking. C) Sieving. D) Filtration. Show Answer Correct Answer: B) Handpicking. 11. You might have observed the preparation of ghee from butter and cream at home. Which method(s) can be used to separate ghee from the residue? (i) Evaporation (ii) Decantation (iii) Filtration (iv) Churning Which of the following combination is the correct answer? A) (i) and (ii). B) (ii) and (iii). C) (ii) and (iv). D) (iv) only. Show Answer Correct Answer: B) (ii) and (iii). 12. The liquid above the sediment is called Superpatent A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 13. You want to dissolve sugar in water, for preparing lemonade. will you add ice before or after adding sugar? A) Sugar will be added before ice. B) Ice will be added before sugar. C) Sugar will not be dissolved in water. D) Ice will change the flavour. Show Answer Correct Answer: A) Sugar will be added before ice. 14. A ..... is one in which no more of that substance can bedissolved. A) Dry Solution. B) Saturated Solution. C) Paucity Solution. D) Both Paucity and Saturated Solution. Show Answer Correct Answer: B) Saturated Solution. 15. The constituents of all mixtures can be seen separately A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 16. When do we mostly use handpicking? A) When we separate stones from rice. B) When we separate water from sand. C) When we separate sugar from water. D) ALL of the above. Show Answer Correct Answer: A) When we separate stones from rice. 17. Seeds and solid particles of pulp from fruit juices are separated by the method of- A) Sedimentation. B) Filtration. C) Decantation. D) Evaporation. Show Answer Correct Answer: B) Filtration. 18. How many mixtures are there A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 19. Mixture may be solid, liquid or ..... A) Gas. B) Solid. C) Liquid. D) None of these. Show Answer Correct Answer: A) Gas. 20. Which process is used to separate salt from water A) Filtration. B) Sedimentation. C) Evaporation. D) Sieving. Show Answer Correct Answer: C) Evaporation. 21. Which process uses a paper to catch the solids? A) Sedementation. B) Decantation. C) Filtration. D) Evaporation. Show Answer Correct Answer: C) Filtration. 22. Name a method which is used to obtain a solid substance that is dissolved in a liquid A) Fiterat. B) Decantation. C) Loading. D) Sedimentation. Show Answer Correct Answer: A) Fiterat. 23. On an average a sea water has ..... of edible salt in it A) 36 g. B) 26 g. C) 46 g. D) 22 g. Show Answer Correct Answer: A) 36 g. 24. When is decantation used for separation? A) Separating solid-solid mixtures. B) Separating liquid components from a mixture. C) Separating solids from liquids. D) Separating insoluble solid from liquid. Show Answer Correct Answer: D) Separating insoluble solid from liquid. 25. Does sedimentation make water completely clear? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. ← PreviousNext →Related QuizzesClass 6 Science Chapter 5 Separation Of Substances Quiz 1Class 6 Science Chapter 5 Separation Of Substances Quiz 2Class 6 Science Chapter 5 Separation Of Substances Quiz 3Class 6 Science Chapter 5 Separation Of Substances Quiz 4Class 6 Science Chapter 5 Separation Of Substances Quiz 5Class 6 Science Chapter 5 Separation Of Substances Quiz 6Class 6 Science Chapter 5 Separation Of Substances Quiz 7Class 6 Science Chapter 5 Separation Of Substances Quiz 8Class 6 Science Chapter 5 Separation Of Substances Quiz 9Class 6 Science Chapter 5 Separation Of Substances Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books