This quiz works best with JavaScript enabled. Home > Cbse > Class 6 > Science > Separation Of Substances > Class 6 Science Chapter 5 Separation Of Substances – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 6 Science Chapter 5 Separation Of Substances Quiz 1 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The process of converting a liquid form to its vapour form is A) Condensation. B) Sedimentation. C) Evaporation. D) Decantation. Show Answer Correct Answer: C) Evaporation. 2. Filtration method is used to separate A) Sand and water. B) Milk and sugar. C) Water and oil. D) None of the above. Show Answer Correct Answer: A) Sand and water. 3. When two or more than two substances are mixed together in any ratio then it is called ..... A) Element. B) Mixture. C) Compound. D) More element. Show Answer Correct Answer: B) Mixture. 4. A mixture can be solid, liquid or gases. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 5. Grain and husk can be separated with the process of decantation. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 6. What is the purpose of Filtration? A) Separating and insoluble solid from a liquid. B) Separation of a mixture of 2 solids. C) Separates heavier substances from a suspension. D) None of the above. Show Answer Correct Answer: A) Separating and insoluble solid from a liquid. 7. The fine porous material used to seperate insoluble solids from a liquid is ..... A) Solution. B) Filtrate. C) Residue. D) Filter. Show Answer Correct Answer: D) Filter. 8. The process of evaporation takes place continuously wherever water is present. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 9. State whether true /false. Oil layers in the oceans blocks the air from entering the water and affects aquatic life. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 10. A fruit salad is a A) Solution. B) Mixture. C) All the above. D) None of the above. Show Answer Correct Answer: B) Mixture. 11. Husk and grain are separated by- A) Seiving. B) Threshing. C) Winnowing. D) None of the above. Show Answer Correct Answer: C) Winnowing. 12. We can separate butter from milk by A) Churning. B) Filtration. C) All the above. D) None of the above. Show Answer Correct Answer: A) Churning. 13. A substance which is used in making objects is called ..... A) Matter. B) Material. C) Substance. D) All the above. Show Answer Correct Answer: B) Material. 14. Which of the following is not a homogeneous mixture? A) Oxygen in water. B) Tea. C) Sugar and water. D) Fried rice. Show Answer Correct Answer: D) Fried rice. 15. Peanuts are separated from the mixture of wheat and peanut by ..... A) Handpicking. B) Sieving. C) Threshing. D) Churning. Show Answer Correct Answer: A) Handpicking. 16. Which of the following is a solute? A) Sugar. B) Sand. C) Water. D) Mud. Show Answer Correct Answer: A) Sugar. 17. Which of the following mixtures would you be able to separate using the method of filtration? A) Cornflakes in milk. B) Salt in water. C) Sugar in milk. D) Oil in water. Show Answer Correct Answer: A) Cornflakes in milk. 18. Butter is taken out by ..... milk or curds A) Filtration. B) Churning. C) Winnowing. D) Threshing. Show Answer Correct Answer: B) Churning. 19. The solubility of a solution can be increased by A) By heating the solution. B) By freezing the solution. C) By adding alum to it. D) Adding more water to it. Show Answer Correct Answer: A) By heating the solution. 20. A mixture of salt, sand, oil and water is given, which of these sequence can be used to separate salt A) Decantation $\rightarrow$ Filtration $\rightarrow$ Evaporation. B) Filtration $\rightarrow$ Evaporation $\rightarrow$ Condensation. C) Filtration $\rightarrow$ boiling $\rightarrow$Decantation. D) None of the above. Show Answer Correct Answer: A) Decantation $\rightarrow$ Filtration $\rightarrow$ Evaporation. 21. When is centrifugation used for separation? A) Separating liquid components from a mixture. B) Separating solids from liquids. C) Separating solid-solid mixtures. D) Separating insoluble solid from liquid. Show Answer Correct Answer: D) Separating insoluble solid from liquid. 22. The process by which we can separate salt and water from their mixture is A) Decantation. B) Sedimentation. C) Evaporation. D) Filtration. Show Answer Correct Answer: C) Evaporation. 23. A solution in which no more solute can be added is called A) Mixture. B) Unsaturated solution. C) True Solution. D) Saturated solution. Show Answer Correct Answer: D) Saturated solution. 24. Butter is separated by curd A) Sieving. B) Churning. C) Heating. D) Filtration. Show Answer Correct Answer: B) Churning. 25. The Rate of sedimentation is Increased by adding ..... to the water A) Shampoo. B) Sugar. C) Soap. D) Salt. Show Answer Correct Answer: D) Salt. 26. The process of conversion of water into water vapour is called condensation A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 27. What is the purpose of sedimentation and decantation? A) Separating insoluble solid from liquid. B) Separating solid-solid mixtures. C) Separating liquid components from a mixture. D) Separating solids from liquids. Show Answer Correct Answer: A) Separating insoluble solid from liquid. 28. The particles of mud dissolved in water can settle down quickly by the addition of- A) Kalium. B) Alum. C) All the above. D) None of the above. Show Answer Correct Answer: B) Alum. 29. During ..... the solid particles that settle down forming a layer are called sediments A) Evaporation. B) Decantation. C) Sedimentation. D) Condensation. E) Sieving. Show Answer Correct Answer: C) Sedimentation. 30. The saturation level of a mixture decreases over ..... A) Cooling. B) Freezing. C) Heating. D) Blowing. Show Answer Correct Answer: C) Heating. 31. Evaporation is ..... of condensation A) Similar. B) Operation. C) Friend. D) Enemy. E) Opposite. Show Answer Correct Answer: E) Opposite. 32. Butter is separated from milk by? A) Winnowing. B) Handpicking. C) Churning. D) Threshing. Show Answer Correct Answer: C) Churning. 33. Which paper do we use for filtration A) None. B) Sand paper. C) Transparent paper. D) Filter paper. Show Answer Correct Answer: D) Filter paper. 34. The sky looks clearer and brighter after the rain due to loading by rain drops. Which of the following is similar to the process mentioned above? A) Separation of grain seeds from their stalks. B) Separation of butter from curd. C) Separation of salt from sea water. D) Sprinkling water on a dusty street before sweeping. Show Answer Correct Answer: D) Sprinkling water on a dusty street before sweeping. 35. Which of the following is a method of separating solutions? A) Hand seperation. B) Filtering. C) Screening. D) Evaporation. Show Answer Correct Answer: D) Evaporation. 36. Hand-picking, threshing, winnowing, sieving, churning etc. are not the methods of separation A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 37. When the heavier component in a mixture settles after water is added to it, the process is called ..... A) Decantation. B) Filtration. C) Sedimentation. D) Evaporation. Show Answer Correct Answer: D) Evaporation. 38. How do you separate water from milk? A) Evaporation. B) Sedimantation. C) Condensation. D) Filtration. Show Answer Correct Answer: A) Evaporation. 39. State whether true or falseBy using a combination of methods we can separate more than one component from the mixture A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 40. Which of the following is used to separate the mixture water and petrol? A) Filtration. B) Winnowing. C) Separating funnel. D) Turning. Show Answer Correct Answer: C) Separating funnel. 41. Which method is used to separate pebbles and stones from sand? A) Handpicking. B) Winnowing. C) Sieving. D) Any of these. Show Answer Correct Answer: C) Sieving. 42. Which process is not an example of separating solid from solid: A) HAND PICKING. B) WINNOWING. C) MAGNETIC SEPARATION. D) CENTRIFUGATION. Show Answer Correct Answer: D) CENTRIFUGATION. 43. The sieving is done based on the property of A) Difference in size. B) Difference in weight. C) Difference in shape. D) Difference in colour. Show Answer Correct Answer: A) Difference in size. 44. CONSTITUENTS OF MIXTURE ARE EVENLY SPREAD IN A) HOMOGENOUS MIXTURE. B) HETEROGENOUS MIXTURE. C) All the above. D) None of the above. Show Answer Correct Answer: A) HOMOGENOUS MIXTURE. 45. A ..... is made up of only one kind of particles. A) Mixture. B) Pure substance. C) Compound. D) Impure substance. Show Answer Correct Answer: B) Pure substance. 46. Distilled water is an example of A) Impure substance. B) Pure substance. C) Mixture. D) Compound. Show Answer Correct Answer: C) Mixture. 47. When do we use sieving? A) When the substances are of same size. B) Whenever we like. C) When we have to separate substances of different size. D) When we have to separate husk from grains. Show Answer Correct Answer: C) When we have to separate substances of different size. 48. Winnowing is used to separate: A) Stones from grains. B) Husk particles from wheat Flour. C) Chaff from wheat grains. D) None of these. Show Answer Correct Answer: C) Chaff from wheat grains. 49. This method- ..... can be used for separating slightly larger sized impurities like pieces of dirt, stone, and husk from wheat, rice or pulses. A) Handpicking. B) Threshing. C) Winnowing. D) Sieving. E) Filtration. Show Answer Correct Answer: A) Handpicking. 50. The method of separation in which heavier and lighter components of a mixture are separated with the help of wind is called A) Sieving. B) Winnowing. C) Sedimentation. D) Threshing. Show Answer Correct Answer: B) Winnowing. 51. The method used to separate chaff from the grain by wind or blowing air is called A) Saturated solution. B) Decantation. C) Sedimentation. D) Winnowing. Show Answer Correct Answer: D) Winnowing. 52. The air around was is a mixture of gases. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 53. When there is a heavier component inside a water. What method will you use? A) Sedimentation. B) Condensation. C) Filtration. D) Decantation. Show Answer Correct Answer: A) Sedimentation. 54. Husk is separated from heavier seeds of grain A) Winnowing. B) Hand picking. C) Sieving. D) None of the above. Show Answer Correct Answer: A) Winnowing. 55. A mixture of common salt and water can be seperated condensation. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 56. Find a MIXTURE from the following A) Salt. B) Milk. C) Sugar. D) Chocolate milkshake. Show Answer Correct Answer: D) Chocolate milkshake. 57. The process by which an insoluble solid is seperated from a liquid is called A) Filtration. B) Winnowing. C) Sieving. D) Magnetisim. Show Answer Correct Answer: A) Filtration. 58. Evaporation is a process in which- A) Water turns to water vapour on boiling. B) Water turns to ice on freezing. C) Water turns to water vapour by natural heat. D) None of the above. Show Answer Correct Answer: C) Water turns to water vapour by natural heat. 59. When the water (along with the dust) isremoved, the process is called ..... A) Decantation. B) Sedimentation. C) Threshing. D) Filtration. Show Answer Correct Answer: A) Decantation. 60. Abhi bought an object. It is made of a hard material. It is fragile(easy to break) and allows light to pass through it. What can the object be? A) Fish tank. B) Mirror. C) Cricket bat. D) Shoes. Show Answer Correct Answer: A) Fish tank. Next →Related QuizzesScience QuizzesClass 6 QuizzesClass 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books