This quiz works best with JavaScript enabled. Home > Cbse > Class 6 > Science > Separation Of Substances > Class 6 Science Chapter 5 Separation Of Substances – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 6 Science Chapter 5 Separation Of Substances Quiz 9 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The process of making mud particles heavy with alum can be termed as: A) Decantation. B) Filtration. C) Condensation. D) Loading. Show Answer Correct Answer: D) Loading. 2. Distillation is a process to separate A) Immiscible liquids. B) Miscible liquids. C) All the above. D) None of the above. Show Answer Correct Answer: B) Miscible liquids. 3. In a mixture containing sugar and salt the constituents are: A) Sugar. B) Sand. C) Sugar and sand. D) Nothing. Show Answer Correct Answer: C) Sugar and sand. 4. The process by which a liquid changes into a gas is called condensation. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 5. Process used for purification of salt from sea. A) Decantation. B) SEDIMENTATION. C) CRYSTALLISATION. D) EVAPORATION. Show Answer Correct Answer: C) CRYSTALLISATION. 6. A saturated solution is a solution no more solvent can be added in a solution A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 7. A solution that cannot dissolve any more solute is called A) Saturated. B) Residue. C) Unsaturated. D) Filtrate. Show Answer Correct Answer: A) Saturated. 8. The method used to separate the seeds from the fruit juice is ..... A) Filtration. B) Sieving. C) Crystallization. D) Winnowing. Show Answer Correct Answer: A) Filtration. 9. What is the primary purpose of filtration in the separation of mixtures? A) To separate liquid components from a mixture. B) To separate solids from liquids. C) To separate solid-solid mixtures. D) To separate insoluble solid from liquid. Show Answer Correct Answer: A) To separate liquid components from a mixture. 10. Elements are pure substances. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 11. Anushka asked for a glass of water from Dhruv. He gave her a glass of ice cold water. Anushka observed some water droplets on the outer surface of the glass and asked Dhruv how these droplets of water were formed? Which of the following should be Dhruv's answer? A) Evaporation of water from the glass. B) Evaporation of atmospheric water vapour. C) Condensation of atmospheric water vapour. D) Water that seeped out from the glass. Show Answer Correct Answer: C) Condensation of atmospheric water vapour. 12. Temperature has an effect on the speed a solid dissolves in water. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 13. During Sedimentation, some non-dissovable particles need to be settle down to the bottom surface. What is it called ..... A) Sediment. B) Sediment. C) Sedimant. D) Sedimentor. Show Answer Correct Answer: A) Sediment. 14. Among these two processes which is slower process? A) SEDIMENTATION. B) LOADING. C) All the above. D) None of the above. Show Answer Correct Answer: A) SEDIMENTATION. 15. What is the process of converting water into water vapour A) Decantation. B) Condensation. C) Filtration. D) Evaporation. Show Answer Correct Answer: D) Evaporation. 16. What is the process after the heavier component in a mixture settles after the water is added.This process is called??? A) Sedimentation. B) Decantation. C) Filtration. D) Disttilation. Show Answer Correct Answer: A) Sedimentation. 17. Separation of common salt from the sea water is by ..... A) Magnetic separation. B) Winnowing. C) Evaporation. D) Sieving. Show Answer Correct Answer: C) Evaporation. 18. Separation process which is done using rotation the mixture at high speed: A) SIEVING. B) Decantation. C) CENTRIFUGATION. D) LOADING. Show Answer Correct Answer: C) CENTRIFUGATION. 19. What is known as the King of Water? A) Saturated water. B) Aqua direction. C) Glucose solution. D) None of the above. Show Answer Correct Answer: B) Aqua direction. 20. Which method should be adopted to separate the thin film that is formed on prepared and poured tea? A) Evaporation. B) Sedimentation. C) Decantation. D) Filtration. Show Answer Correct Answer: C) Decantation. 21. Salt is obtained from water by the process of A) Filtration. B) Sieving. C) Evaporation. D) Sedimentation. Show Answer Correct Answer: C) Evaporation. 22. Which device used to filter A) Cloth. B) Filter paper. C) Tissue. D) None of the above. Show Answer Correct Answer: B) Filter paper. 23. How can we obtain salt from sea water? A) Precipitation. B) Condensation. C) By digging holes. D) Evaporation. Show Answer Correct Answer: D) Evaporation. 24. During summer, Navya carries water in a transparent plastic bottle to her school. One day she left her bottle in the school. The bottle still had some water left in it. The following day, she observed some water droplets on the inner surface of the empty portion of the bottle. These droplets of water were formed due to A) Boiling and condensation. B) Evaporation and saturation. C) Evaporation and condensation. D) Condensation and saturation. Show Answer Correct Answer: C) Evaporation and condensation. 25. Removal of nails from sand is: A) SUBLIMATION. B) FILTRATION. C) MAGNETIC SEPARATION. D) SIEVING. Show Answer Correct Answer: C) MAGNETIC SEPARATION. 26. Filtration is done when ..... A) A) We want to remove tea leaves from tea. B) B) we want to make cottage cheese or paneer. C) C) We need to purify water. D) All of these. Show Answer Correct Answer: C) C) We need to purify water. 27. The liquid which passes through the filter paper is called and the insoluble impurities which remain on the filter paper are called A) Filtrate, Distillate. B) Residue, Filtrate. C) Distillate, Residue. D) Filtrate, Residue. Show Answer Correct Answer: D) Filtrate, Residue. 28. A sieve is a shallow vessel having small holes at its bottom. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 29. Which of the following items is soluble in water? A) Oil. B) Sugar. C) Iron. D) Sand. Show Answer Correct Answer: B) Sugar. 30. 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. 31. 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. 32. 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. 33. 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. 34. 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. 35. 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. 36. Seed coverings and tiny pieces of leaves or stems present in threshed grains are called A) Coverings. B) Husks. C) Branches. D) Chaffs. Show Answer Correct Answer: D) Chaffs. 37. 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. 38. In which process sand settles down. A) Sedimentation. B) Decantation. C) Filteration. D) All of the above. Show Answer Correct Answer: A) Sedimentation. 39. 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. 40. 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. 41. Petrol is soluble in water. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 42. The process of conversion of water into vapour is called ..... A) Filtration. B) Evaporation. C) Centrifugation. D) Conversation. Show Answer Correct Answer: B) Evaporation. 43. What kind of mixtures are aerated drinks? A) Solid-Solid. B) Gas-Liquid. C) Liquid-Solid. D) Liquid-Liquid. Show Answer Correct Answer: B) Gas-Liquid. 44. The process of settling heavier components is called- A) Sedimentation. B) Evaporation. C) Filtration. D) Decantation. Show Answer Correct Answer: A) Sedimentation. 45. What are the three processes to separate soil from water? A) Recantation, sedimentation, filtration. B) Pickling, ginning, sedimentation. C) Ginning, sedimentation, filtration. D) Sedimentation, decantation, filtration. Show Answer Correct Answer: D) Sedimentation, decantation, filtration. 46. 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. 47. The process used to separate grains from stalks A) Threshing. B) Winnowing. C) Hand-picking. D) Sieving. Show Answer Correct Answer: A) Threshing. 48. 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. 49. 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. 50. 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. 51. 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. 52. To separate a mixture of soil and water what separation method is used? A) Chromatography. B) Filtration. C) Distillation. D) Evaporation. Show Answer Correct Answer: B) Filtration. 53. Solvent + Solute = ..... A) Solvent. B) Solubility. C) Solution. D) Solute. Show Answer Correct Answer: C) Solution. 54. The technique of disturbing clean liquid without disturbing the sediment is known as? A) Sublimation. B) Condensation. C) Sedimentation. D) Decantation. Show Answer Correct Answer: D) Decantation. 55. Define:Threshing? A) Hand picking is the process of separating grain from the harvested Husk. B) I don't Know. C) Winnowing is the process of which mix grain from the harvested stalks. D) Threshing is the process of separating grain from the harvested stalks. Show Answer Correct Answer: D) Threshing is the process of separating grain from the harvested stalks. 56. Soft drink is an example of: A) HETEROGENEOUS MIXTURE. B) HOMOGENEOUS MIXTURE. C) All the above. D) None of the above. Show Answer Correct Answer: B) HOMOGENEOUS MIXTURE. 57. The process of separating a pure substance in the form of crystals from its hot saturated solution by cooling is called A) Crystallization. B) Filtration. C) Sedimentation. D) Decantation. Show Answer Correct Answer: A) Crystallization. 58. How are grain seeds removed from their stalks? A) Sieving. B) Winnowing. C) Threshing. D) All of the above. Show Answer Correct Answer: C) Threshing. 59. Decantation is the process of pouring out the clear upper liquid by disturbing the sediments. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 60. How are elements different from compounds? A) Elements are made of various compounds. B) Elements are made of multiple types of particles. C) Compounds are made of different elements. D) Compounds are made of a single type of particle. Show Answer Correct Answer: C) Compounds are made of different elements. ← PreviousNext →Related QuizzesScience QuizzesClass 6 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books