This quiz works best with JavaScript enabled. Home > Class 6 > Class 6 Science Chapter 5 Separation Of Substances – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 6 Science Chapter 5 Separation Of Substances Quiz 5 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. 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. 3. 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. 4. The process, in which a solid changes directly into its gaseous state on heating, is called A) LOADING. B) Decantation. C) CONDENSATION. D) SUBLIMATION. Show Answer Correct Answer: D) SUBLIMATION. 5. 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. 6. 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. 7. When the heavy solid particles in a mixture settle at the bottom of the vessel, this process is called: A) Filtration. B) Sieving. C) Sedimentation. D) Decantation. Show Answer Correct Answer: C) Sedimentation. 8. 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. 9. We obtain salt from the sea by using a method called A) Condensation. B) Evaporation. C) Decantation. D) Filtration. Show Answer Correct Answer: B) Evaporation. 10. Winnowing is only possible when there is A) Salt. B) Wind. C) Sand. D) Water. Show Answer Correct Answer: B) Wind. 11. 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. 12. 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. 13. The components of a solution (say salt in water) can be separated by A) Filtration. B) Evaporation. C) Sedimentation. D) Decantation. Show Answer Correct Answer: B) Evaporation. 14. 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. 15. ..... 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. 16. ..... in which particles of the substances present can not be seen. A) Heterogeneous. B) Homogeneous. C) Impurities. D) Impure substances. Show Answer Correct Answer: B) Homogeneous. 17. 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. 18. 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. 19. 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. 20. Which of the following method is used when there is a difference in size and colour of desirable and undesirable constituents? A) Handpicking. B) Threshing. C) Filtration. D) Decantation. Show Answer Correct Answer: A) Handpicking. 21. Separation of components of a mixture is a useful process. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 22. The method by which stalks are beaten to separate grain seeds are called (a) A) A. Threshing. B) Winnowing. C) Sieving. D) Hand Picking. Show Answer Correct Answer: A) A. Threshing. 23. The liquid obtained after distillation A) Water. B) Residue. C) Distillate. D) Kerosene. Show Answer Correct Answer: C) Distillate. 24. Mixture has properties different from its components. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 25. To separate two miscible liquids this method is used commonly- A) Evaporation method. B) Condensation process. C) Separating funnel. D) Distillation. Show Answer Correct Answer: D) Distillation. ← 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 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 10Class 6 Science Chapter 5 Separation Of Substances Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books