This quiz works best with JavaScript enabled. Home > Cbse > Class 6 > Science > Separation Of Substances > Class 6 Science Chapter 5 Separation Of Substances – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 6 Science Chapter 5 Separation Of Substances Quiz 4 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The ..... is used during the process of distillation A) Separating funnel. B) Sieve. C) Liebig condenser. D) Filter paper. Show Answer Correct Answer: C) Liebig condenser. 2. Decantation can also be used to separate A) Vinegar and water. B) Lemon juice and water. C) Salt and water. D) Oil and water. Show Answer Correct Answer: D) Oil and water. 3. Lauren wants to separate salt from water. What separation technique should she use? A) Evaporation. B) Condensation. C) Chromatography. D) None of the above. Show Answer Correct Answer: A) Evaporation. 4. Husk and stones could be separated from grains by handpicking. A) Filtration. B) Hand-Picking. C) Threshing. D) Evaporation. Show Answer Correct Answer: B) Hand-Picking. 5. In a mixture, solids of different size can be separated by ..... A) Evaporation. B) Magnetic separation. C) Sieving. D) Winnowing. Show Answer Correct Answer: C) Sieving. 6. Ink loses its properties when mixed in water. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 7. If you want to remove grains from their stalks. What method will you use? A) Ginning. B) Winnowing. C) Sedimentation. D) Threshing. Show Answer Correct Answer: D) Threshing. 8. Rishit was helping his mother for making chapatis (Roti) his mother tells to separate husk form wheat flour so what method of separation will he use (Hint:it is in a small quantity) A) Threshing. B) Hand Picking. C) Sieving. D) None of the above. Show Answer Correct Answer: B) Hand Picking. 9. The process used to separate grain from stalks. A) Handpicking. B) Threshing. C) All the above. D) None of the above. Show Answer Correct Answer: B) Threshing. 10. The method of separating grains of wheat from its stalk is known as ..... A) Handpicking. B) Winnowing. C) Sieving. D) Threshing. Show Answer Correct Answer: D) Threshing. 11. PROPERTY USED IN SEPARATING A MIXTURE OF TWO SOLIDS BY WINNOWING IS A) DIFFERENCE IN COLOR. B) DIFFERENCE IN WEIGHT. C) ONE IS MAGNETIC. D) ALL OF THE ABOVE. Show Answer Correct Answer: B) DIFFERENCE IN WEIGHT. 12. If we want to separate more than two liquids in a mixture of miscible liquids we use A) Sedimentation. B) Fractional distillation. C) Filtration. D) Distillation. Show Answer Correct Answer: B) Fractional distillation. 13. Common salt is obtained from the sea water by the method of- A) Sedimentation. B) Filtration. C) Evaporation. D) Decantation. Show Answer Correct Answer: C) Evaporation. 14. To separate a mixture of stones and wheat flour, the method used is A) Sieving. B) Filtration. C) Winnowing. D) Evaporation. Show Answer Correct Answer: A) Sieving. 15. Both sedimentation and decantation is important to clean the water A) True, both is needed. B) False, only sedimentation. C) False, only decantation. D) False, none of them is required. Show Answer Correct Answer: A) True, both is needed. 16. What is the boiling point of water? A) 95$^{o}$C. B) 100$^{o}$C. C) 80$^{o}$C. D) 0$^{o}$C. Show Answer Correct Answer: B) 100$^{o}$C. 17. This method ..... canbe used for separating slightly largersized impurities like the pieces of dirt, stone, and husk from wheat, rice orpulses. A) Handpicking. B) Threshing. C) Winnowing. D) Sieving. E) Filtration. Show Answer Correct Answer: A) Handpicking. 18. By which process do we get butter A) Churning. B) Condensation. C) Threshing. D) Evaporation. Show Answer Correct Answer: A) Churning. 19. Which of the following process refers to converting a liquid to its vapour form? A) Decantation. B) Sedimentation. C) Condensation. D) Evaporation. Show Answer Correct Answer: D) Evaporation. 20. The materials to make Paneer can be found in A) Sedimentation. B) Filtration. C) Decantation. D) None of the above. Show Answer Correct Answer: B) Filtration. 21. TAP WATER IS A MIXTURE OF A) WATER AND MANY DISSOLVED SALTS. B) SUGAR AND WATER. C) RAIN WATER AND CREAM. D) None of the above. Show Answer Correct Answer: A) WATER AND MANY DISSOLVED SALTS. 22. How are homogeneous mixtures characterized? A) Having distinct components. B) Having uniform composition. C) Having different densities. D) Having specific properties. Show Answer Correct Answer: B) Having uniform composition. 23. During sublimation a ..... is advised to keep on the inverted funnel as the camphor sublimes and dissapears into air. A) Inverted funnel. B) Wire gauge. C) Cotton wool. D) Tripod stand. Show Answer Correct Answer: C) Cotton wool. 24. Which method is used to separate a mixture of oil and water? A) Decantation. B) Filtration. C) Sedimentation. D) None of the above. Show Answer Correct Answer: A) Decantation. 25. Rahul does not like tomatoes in poha, which method will he use to separate the tomatoes from the poha A) Handpicking. B) Sieving. C) Winnowing. D) Filtration. Show Answer Correct Answer: A) Handpicking. 26. Identify whether the statement or statements is/are true or false? Statement A:A mixture of cement and pebbles can be separated by using the sieve with small pores. Statement B:A sieve with small pores will allow only small cement particles to pass through and will hold back the pebbles. A) Only Statement A is true. B) Only Statement B is true. C) Both are true. D) Both are false. Show Answer Correct Answer: C) Both are true. 27. True or False:Filtration can be used to separate solutions A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 28. When is decantation done A) After sedimentation. B) After distillation. C) After evaporation. D) After filtration. Show Answer Correct Answer: A) After sedimentation. 29. The liquid above the sediment is called a supernatant A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 30. Grapes can be separated from the mixture of nuts and grapes by A) Hand Picking. B) Sieving. C) Threshing. D) Sedimentation. Show Answer Correct Answer: A) Hand Picking. 31. By which method can we separate iron nails from sand? A) Threshing. B) Magnetic separation. C) Sedimentation. D) Filtration. Show Answer Correct Answer: B) Magnetic separation. 32. Mixtures need to be separated because ..... A) To remove undesirable substances. B) To get desirable substances. C) To obtain highly pure substances. D) All of the above. Show Answer Correct Answer: D) All of the above. 33. Separating the wheat grain from the stalk of a wheat plant. A) Winnowing. B) Threshing. C) Hand-picking. D) Sieving. Show Answer Correct Answer: B) Threshing. 34. A solution in which no more solute can be dissolved in the solvent is called the ..... solution. A) Supernatant. B) Condensed. C) Saturated. D) None of these. Show Answer Correct Answer: C) Saturated. 35. After this proccess the particles settle down and it makes decantation easy A) Centrifugation. B) Loading. C) Filtration. D) Sedimentation. Show Answer Correct Answer: D) Sedimentation. 36. What is separation? A) Mixing two different components. B) Selecting different kinds of components from a mixture. C) Arranging things in an order. D) None of the above. Show Answer Correct Answer: B) Selecting different kinds of components from a mixture. 37. The method used to separate chaff from the grain by wind or blowing air is called Winnowing A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 38. Threshing is used to separate A) Chaff from grain. B) Stones from grain. C) Sand from grain. D) Grains from stalks. Show Answer Correct Answer: D) Grains from stalks. 39. Churning milk to obtain butter:To separate two different but useful components Separate tea leaves:? A) To remove useful components. B) To remove non-useful components. C) To make tea. D) To remove impurities. Show Answer Correct Answer: B) To remove non-useful components. 40. How to separate salt from water A) BY FILTRATION. B) BY THRESHING. C) BY EVAPORATION. D) BY SEDIMENTATION. Show Answer Correct Answer: C) BY EVAPORATION. 41. Substances need to be separated A) To remove undesirable substances. B) To get desirable substances. C) To obtain two different useful components. D) All of the above. Show Answer Correct Answer: D) All of the above. 42. A solution which cannot dissolve more of a given substance at a given temperature is A) Filtrate. B) Solution. C) Saturated solution. D) Unsaturated solution. Show Answer Correct Answer: C) Saturated solution. 43. It is the process in which evaporation is followed by condensation A) Threshing. B) Winnowing. C) Distillation. D) Boilling. Show Answer Correct Answer: C) Distillation. 44. A ..... mixture is one that does not have a uniform composition. A) Heterogeneous. B) Homogenous. C) Pure substance. D) None of the above. Show Answer Correct Answer: A) Heterogeneous. 45. WHAT IS COMPENETS? A) The substances which are mixed to form a mixture. B) The substances which are never mixed to form a mixture. C) A method of seperating grains from the stalk. D) A method of seperating harmful substances. Show Answer Correct Answer: A) The substances which are mixed to form a mixture. 46. Substances in which solute dissolves is called ..... A) Solute. B) Solvent. C) Saturation. D) None of the above. Show Answer Correct Answer: B) Solvent. 47. Which process do we use to get salt from sea water? A) Evaporation. B) Decantation. C) Condesation. D) Distillation. Show Answer Correct Answer: A) Evaporation. 48. The process of conversion of water vapor into its liquid form on cooling is A) Sedimentation. B) Evaporation. C) Freezing. D) Condensation. Show Answer Correct Answer: D) Condensation. 49. The method of separating seeds from its stack is called ..... A) Filtration. B) Threshing. C) Winnowing. D) Distilation. Show Answer Correct Answer: B) Threshing. 50. Which processes you will use when you have to separate all things in a mixture of water, sand, sugar. A) Sedimentation, Decantation, Filtration (if required), Evaporation. B) Threshing, Filtration (if required), Sedimentation. C) Evaporation, Hand picking, Decantation. D) Sedimentation, Decantation, Filtration (if required), Evaporation, Condensation. Show Answer Correct Answer: A) Sedimentation, Decantation, Filtration (if required), Evaporation. 51. A mixture in which the particals are visible is called A) HOMOGENEOUS. B) HETROGENEOUS. C) All the above. D) None of the above. Show Answer Correct Answer: B) HETROGENEOUS. 52. The unwanted particles in a mixture are known as: A) Residue. B) Solvent. C) Husk. D) Purities. Show Answer Correct Answer: A) Residue. 53. Sugar can be separated from water using which of the following techniques? A) Sedimentation. B) Handpicking. C) Evaporation. D) Churning. Show Answer Correct Answer: C) Evaporation. 54. Which of the method is not used by the farmers A) Winnowing. B) Threshing. C) Sieving. D) None of the above. Show Answer Correct Answer: C) Sieving. 55. What is filtration used for? A) It's used for drinking. B) It's used for separating water and impurity. C) All of the above. D) None of the above. Show Answer Correct Answer: B) It's used for separating water and impurity. 56. Sieving is done using a ..... A) Seive. B) Jar. C) Barrel. D) None of the above. Show Answer Correct Answer: A) Seive. 57. THE PARTICLES THAT SETTLE DOWN IN SEDIMENTATION ARE CALLED A) FILTRATE. B) SEDIMENT. C) SOLUTE. D) ALL OF THE ABOVE. Show Answer Correct Answer: B) SEDIMENT. 58. Alum is added to the muddy water to make the mud heavy and settle down, this process is known as loading A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 59. Handpicking can only be done when the impurities are of different A) Height. B) Weight. C) Sizes. D) Colors. Show Answer Correct Answer: D) Colors. 60. Sandhya prepared tea, which method will be better to use to separate the tea leaves? A) Evaporation. B) Decantation. C) Filtration. D) Sedimentation. Show Answer Correct Answer: C) Filtration. ← 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 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