This quiz works best with JavaScript enabled. Home > Class 6 > Class 6 Science Chapter 5 Separation Of Substances – Quiz 22 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 6 Science Chapter 5 Separation Of Substances Quiz 22 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following items is soluble in water? A) Oil. B) Sugar. C) Iron. D) Sand. Show Answer Correct Answer: B) Sugar. 2. Separation of sugar from tea can be done with filtration. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 3. Mohan able to bend the rod because it is, A) Light. B) Hard. C) Water proof. D) Flexible. Show Answer Correct Answer: D) Flexible. 4. Explain the following-Winnowing- A) Beating the crop to separate grains from stalks. B) Separating grains from the chaff by river. C) Putting the grains in shallow pits and evaporate them. D) Separating grains from the chaff by wind. Show Answer Correct Answer: D) Separating grains from the chaff by wind. 5. What is decantation? A) Decantation is used to separate insoluble solids from liquids. Two immiscible liquids are also separated by this process. B) Decantation is a process of separating insoluble solids from liquids. C) Decantation is the process of separating miscible liquids. D) None of the above. Show Answer Correct Answer: B) Decantation is a process of separating insoluble solids from liquids. 6. Threshing is used to- A) Separate grains from stalk. B) Separate husk from grain. C) Separate impurities from flour. D) None of the above. Show Answer Correct Answer: A) Separate grains from stalk. 7. Write true or falseFiltration can be used to separate sugar from sugar solution A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 8. Jisny is writing a class test. she knew all the answers but she got confused in the last question. the last question was to select a incorrect answer. Can you help her by choosing the incorrect answer? A) A solution is one in which no more of that substance can be dissolved. B) Evaporation is the process in which a liquid is converted to its vapor. C) Husk is separated from heavier seeds of grain by winnowing. D) None of the above. Show Answer Correct Answer: A) A solution is one in which no more of that substance can be dissolved. 9. Seed coverings and tiny pieces of leaves or stems present in threshed grains are called A) Husks. B) Chaffs. C) Branches. D) Coverings. Show Answer Correct Answer: B) Chaffs. 10. A mixture of sand and water can be separated by A) Evaporation. B) Sedimentation. C) Filtration. D) All of the Above. Show Answer Correct Answer: C) Filtration. 11. In which process sand settles down. A) Sedimentation. B) Decantation. C) Filteration. D) All of the above. Show Answer Correct Answer: A) Sedimentation. 12. Butter is taken out from milk by doing what process of separation A) Sieving. B) Filtration. C) Churning. D) Hand-picking. Show Answer Correct Answer: C) Churning. 13. Which of the following mixtures would you be able to separate using the method of magnetic separation? A) Salt and moth balls. B) Sulphur and iron filings. C) Gold and sulphur. D) Brass and gold. Show Answer Correct Answer: B) Sulphur and iron filings. 14. Petrol is soluble in water. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 15. The process of conversion of water into vapour is called ..... A) Evaporation. B) Filtration. C) Conversation. D) Centrifugation. Show Answer Correct Answer: A) Evaporation. 16. What kind of mixtures are aerated drinks? A) Solid-Solid. B) Liquid-Solid. C) Gas-Liquid. D) Liquid-Liquid. Show Answer Correct Answer: C) Gas-Liquid. 17. The process of settling heavier components is called- A) Sedimentation. B) Filtration. C) Decantation. D) Evaporation. Show Answer Correct Answer: A) Sedimentation. 18. What are the three processes to separate soil from water? A) Ginning, sedimentation, filtration. B) Sedimentation, decantation, filtration. C) Recantation, sedimentation, filtration. D) Pickling, ginning, sedimentation. Show Answer Correct Answer: B) Sedimentation, decantation, filtration. 19. Rock salt is an impure substance. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 20. The process used to separate grains from stalks A) Threshing. B) Winnowing. C) Hand-picking. D) Sieving. Show Answer Correct Answer: A) Threshing. 21. You might have observed the preparation butter from cream at home. Which method(s) can be used to separate butter from the residue? A) Evaporation. B) Centrifugation. C) Filtration. D) Sedimentation and decantation. Show Answer Correct Answer: B) Centrifugation. 22. If there are stones in a rice bag. What method will you use to separate them? A) Filtering. B) Sieving. C) Handpicking. D) Threshing. Show Answer Correct Answer: C) Handpicking. 23. ..... is a universal solvent A) KEY. B) Oil. C) Air. D) Water. Show Answer Correct Answer: D) Water. 24. What is churned to separate butter? A) Water and oil. B) Curdled milk. C) Milk and curds. D) Flour and milk. Show Answer Correct Answer: C) Milk and curds. 25. Which amongst the following methods would be most appropriate to separate grains from bundles of stalks? A) Hand picking. B) Sieving. C) Winnowing. D) Threshing. Show Answer Correct Answer: D) Threshing. ← 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