This quiz works best with JavaScript enabled. Home > Cbse > Class 6 > Science > Separation Of Substances > Class 6 Science Chapter 5 Separation Of Substances – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 6 Science Chapter 5 Separation Of Substances Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. I AM USED TU SEPARATE SOLID CONSTITUENTS DIFFER TO SIZE A) WINNOWING. B) THRESHING. C) SIEVING. D) None of the above. Show Answer Correct Answer: C) SIEVING. 2. What means to cut the crop from the field? A) Winnowing. B) Sieving. C) Threshing. D) Harvesting. Show Answer Correct Answer: D) Harvesting. 3. A student collects seashells at the beach when they were on a picnic. Teacher will not allow the student to take any sand on the bus. If the student wishes to take the seashells home he must separate the seashells from the sand. Which of the following would be most helpful when trying to separate the sand from the sea shells? A) Hot plate. B) Sieve. C) Magnet. D) Water. Show Answer Correct Answer: B) Sieve. 4. GERMS IN WATER ARE KILLED BY ADDING A) CHLORINE. B) MAGNESIUM. C) HYDROGEN. D) OXYGEN. Show Answer Correct Answer: A) CHLORINE. 5. PROCESS OF CONVERSION OF WATER VAPOUR INTO LIQUID IS CALLED A) EVAPORATION. B) DISTILLATION. C) CONDENSATION. D) ALL OF THE ABOVE. Show Answer Correct Answer: C) CONDENSATION. 6. The process of conversion of water into vapour:Evaporation The process of conversion of liquid into solid:? A) Freezing. B) Distillation. C) Sublimation. D) Condensation. Show Answer Correct Answer: A) Freezing. 7. We can add more sugar in an ..... solution. A) Saturated. B) Unsatured. C) All the above. D) None of the above. Show Answer Correct Answer: B) Unsatured. 8. A mixture of milk & water can be separated by decantation. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 9. The process used to speed up the process of sedimentation is ..... - A) Filtration. B) Winnowing. C) Loading. D) Decantation. Show Answer Correct Answer: C) Loading. 10. By which method can we separate chalk powder from water? A) Sedimentation. B) Decantation. C) Sedimentation and decantation. D) None of the above. Show Answer Correct Answer: C) Sedimentation and decantation. 11. If a mixture contains magnetic impurities, then which separation method(s) is/are used? A) Magnetic Seperation. B) Sieving. C) Winnowing. D) All of the above. Show Answer Correct Answer: A) Magnetic Seperation. 12. Filter paper is used for- A) Decantation. B) Filteration. C) Seiving. D) None of the above. Show Answer Correct Answer: B) Filteration. 13. Which is an example of a solution? A) Chex Mix. B) Mixed fruit. C) Lemonade. D) Milk and cereal. Show Answer Correct Answer: C) Lemonade. 14. A mixture of tea leaves and milk can be separated by decantation.Is this statement true or false? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 15. By which process is salt water turned into fresh water? A) Distillation. B) Decantation. C) Evaporation. D) Condensation. Show Answer Correct Answer: A) Distillation. 16. Butter is separated from butter milk by churning. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 17. Salt is obtained from seawater by the process of A) Sedimentation. B) Filtration. C) Evaporation. D) Condensation. Show Answer Correct Answer: C) Evaporation. 18. By which process Grains are separated from Stalks? A) Winnowing. B) Threshing. C) Harvesting. D) Hand Picking. Show Answer Correct Answer: B) Threshing. 19. A solution which cannot dissolve more solute at a given temperature is termed as: A) Saturated solution. B) Unsaturated solution. C) Filtrate. D) Solution. Show Answer Correct Answer: A) Saturated solution. 20. Identify the method of separation when the shape, size, and colour of the components are different. A) Sedimentation. B) Sieving. C) Handpicking. D) Filtration. Show Answer Correct Answer: C) Handpicking. 21. When a solution is saturated: A) Two materials have combined to create a clear liquid. B) Crystals form. C) You need to stir it more. D) No additional material will dissolve in it. Show Answer Correct Answer: D) No additional material will dissolve in it. 22. When the solute dissolves into a solvent and disappears it is called a ..... A) MIxture. B) Solution. C) Solvent. D) None of the above. Show Answer Correct Answer: B) Solution. 23. A special kind of shine present on natural materials or shine appears when they freshly cut or rubbed with sand paper is called ..... A) Non-ustre. B) Lustre. C) None of these. D) None of the above. Show Answer Correct Answer: B) Lustre. 24. Boiling point of water A) 100 $^\circ$. B) 50$^\circ$. C) All the above. D) None of the above. Show Answer Correct Answer: A) 100 $^\circ$. 25. Separating tea leaves from prepared tea by the method of- A) Decantation. B) Filtration. C) Sedimentation. D) Evaporation. Show Answer Correct Answer: B) Filtration. 26. Water can be filtered by sand. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 27. Define supernatant A) The liquid above the decant is called supernatant. B) The liquid above the filtrate is called supernatant. C) The liquid above the sediment is called supernatant. D) The pure liquid after distillation is called supernatant. Show Answer Correct Answer: C) The liquid above the sediment is called supernatant. 28. The layer of clear liquid on the top of the sediment is called supernatant. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 29. CHOOSE THE FALSE STATEMENT A) WATER IS CALLED UNIVERSAL SOLVENT. B) SATURATED SOLUTION CAN BE COOLED TO ADD MORE SOLUTE. C) SOLUBILITY OF GASES IN WATER INCREASES WITH TEMPERATURE. D) SUBSTANCES SUCH AS WOODTHAT DO NOT DISSOLVE IN WATER ARE CALLED INSOLUBLE IN WATER. Show Answer Correct Answer: B) SATURATED SOLUTION CAN BE COOLED TO ADD MORE SOLUTE. 30. Sieving is used when components of a mixture have same sizes. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 31. The commonly used chemical for loading is A) Nitrogen. B) Alum. C) Oxygen. D) Common salt. Show Answer Correct Answer: B) Alum. 32. How do you separate sugar from water? A) Sedimentation. B) Condensation. C) Evaporation. D) Decantation. Show Answer Correct Answer: C) Evaporation. 33. When solid particles settle down in a liquid this process is called decantation. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 34. The dalia (broken wheat) that Ramesh bought had a lot of dried husk in it. To remove the unwanted husk, Ramesh should ..... it. A) Handpick. B) Winnow. C) Filter. D) Thresh. E) Both B and D. Show Answer Correct Answer: B) Winnow. 35. IF A SUBSTANCE CONTAIN TWO OR MORE KINDS OF MOLECULES, IT IS CALLED A) ELEMENT. B) COMPOUND. C) MIXTURE. D) NONE OF THE ABOVE. Show Answer Correct Answer: B) COMPOUND. 36. Sieving system method to separate particles of A) Different sizes. B) Same sizes. C) Small particles. D) None of the above. Show Answer Correct Answer: A) Different sizes. 37. Hand picking is a method of- A) Removing large size impurities b hand. B) Removing small impurities by hand. C) Removing husk by wind. D) Removing chaff by wind. Show Answer Correct Answer: A) Removing large size impurities b hand. 38. 'Sharbat' is a mixture of sugar and water. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 39. Wind or blowing air is required for the separation of substances in the method: A) Handpicking. B) Filtration. C) Sieving. D) Winnowing. Show Answer Correct Answer: D) Winnowing. 40. The process of conversion of water vapour into its liquid form is called ..... A) Evaporation. B) HAND PICKING. C) CONDENSATION. D) THRESHING. Show Answer Correct Answer: C) CONDENSATION. 41. Grain is separated from A) Water. B) Curd. C) Food. D) Stalks. Show Answer Correct Answer: D) Stalks. 42. A saturated solution is a solution in which no more of the solute can be dissolved. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 43. Which method is used to separate a mixture of two miscible liquids with different boiling points? A) Crystallization. B) Fractional Distillation. C) Centrifugation. D) Decantation. Show Answer Correct Answer: B) Fractional Distillation. 44. Why do we need to do separation? A) To eat and give everyone. B) To separate two different but useful components. C) To separate two different but non-useful components. D) None of the above. Show Answer Correct Answer: B) To separate two different but useful components. 45. The process, in which a solid changes directly into its gaseous state on heating, is called A) Decantation. B) SUBLIMATION. C) LOADING. D) CONDENSATION. Show Answer Correct Answer: B) SUBLIMATION. 46. Which method of separation is used in of preparing cottage Cheese A) Filtration. B) Churning. C) Sedimentation and Decantation. D) Evaporation. Show Answer Correct Answer: A) Filtration. 47. When the heavier component of a mixture settle down in the container, it is called sedimentation. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 48. When the heavy solid particles in a mixture settle at the bottom of the vessel, this process is called: A) Filtration. B) Sedimentation. C) Decantation. D) Sieving. Show Answer Correct Answer: B) Sedimentation. 49. A mixture of iron filings and rice flour can be separated by a magnet.Is this statement true or false? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 50. We obtain salt from the sea by using a method called A) Filtration. B) Condensation. C) Decantation. D) Evaporation. Show Answer Correct Answer: D) Evaporation. 51. Winnowing is only possible when there is A) Salt. B) Wind. C) Sand. D) Water. Show Answer Correct Answer: B) Wind. 52. If the components of a mixture are of different sizes they can be seperated by Sedimentation. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 53. Homogeneous mixtures are what? A) Cannot see the different parts of the mixtures. B) Can see the different parts of the mixture. C) Separation. D) The part of a solution that is being dissolved (usually the lesser amount). Show Answer Correct Answer: A) Cannot see the different parts of the mixtures. 54. The components of a solution (say salt in water) can be separated by A) Decantation. B) Filtration. C) Sedimentation. D) Evaporation. Show Answer Correct Answer: D) Evaporation. 55. What is the process of passing a mixture through a filter medium to separate solid and liquid components? A) Decantation. B) Sedimentation. C) Centrifugation. D) Filtration. Show Answer Correct Answer: D) Filtration. 56. ..... is the process of separating heavier and lighter components of a mixture A) Handpicking. B) Threshing. C) Winnowing. D) Sieving. Show Answer Correct Answer: C) Winnowing. 57. ..... in which particles of the substances present can not be seen. A) Homogeneous. B) Impurities. C) Impure substances. D) Heterogeneous. Show Answer Correct Answer: A) Homogeneous. 58. Sneha is helping her family on the farm, and they need to separate the grains from the stalk after harvesting. The manual process of separating grains from stalk is called ..... A) Handpicking. B) Threshing. C) Sieving. D) Winnowing. Show Answer Correct Answer: B) Threshing. 59. Which method is to separate the grains from the stalks after harvesting? A) HAND PICKING. B) WINNOWING. C) THRESHING. D) CRYSTALLISATION. Show Answer Correct Answer: C) THRESHING. 60. The method used to separate substances differing in colour, size and shape from a solid mixture ..... A) Magnetic separation. B) Decantation. C) Handpicking. D) Sieving. Show Answer Correct Answer: C) Handpicking. ← PreviousNext →Related QuizzesScience QuizzesClass 6 QuizzesClass 6 Science Chapter 5 Separation Of Substances Quiz 1Class 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books