This quiz works best with JavaScript enabled. Home > Class 6 > Class 6 Science Chapter 5 Separation Of Substances – Quiz 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 6 Science Chapter 5 Separation Of Substances Quiz 18 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The method of separation used to separate stone from rice is ..... A) Handpicking. B) Threshing. C) Winnowing. D) All of the above. Show Answer Correct Answer: A) Handpicking. 2. Winnowing is used to separate and components of a mixture by wind or by blowing air. A) Big and Small. B) Tall and Short. C) Heavier and Lighter. D) Smooth and Rough. Show Answer Correct Answer: C) Heavier and Lighter. 3. The method used to separate cream from milk is called centrifugation. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 4. Sedimentation and decantation are useful to separate A) Immiscible liquids. B) Soluble solid from liquid. C) Insoluble solid from liquid. D) Insoluble solid from a liquid where the solid is heavier than the liquid. Show Answer Correct Answer: D) Insoluble solid from a liquid where the solid is heavier than the liquid. 5. A mixture of common salt and water can be separated by evaporation. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 6. Priti accidently added wheat flour to a jar half filled with sugar crystals. The two can be separated by ..... A) A) Sieving. B) B) Filtration. C) C) Hand Picking. D) D) Decantation. E) Both A and B. Show Answer Correct Answer: A) A) Sieving. 7. Name the process used for the separation of the following:Wheat bran from flour A) Sieving. B) Evaporation. C) Condensation. D) Hand-picking. Show Answer Correct Answer: A) Sieving. 8. The part of the mixture that passes through the filter paper is called the A) Residue. B) Filtrate. C) Suspension. D) None of the above. Show Answer Correct Answer: B) Filtrate. 9. Kabir is trying to separate kerosene oil that accidentally mixed with water while he was working on a science project. How can he effectively separate the kerosene oil from the water? A) Decantation. B) Filtration. C) Condensation. D) Crystallisation. Show Answer Correct Answer: A) Decantation. 10. The process of conversion of water into vapor is called condensation. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 11. The process of picking substances with hand ..... A) Hand. B) Hand Picking. C) Winnowing. D) Sieving. Show Answer Correct Answer: B) Hand Picking. 12. Find the opposite process of evaporation A) Condensation. B) Winnowing. C) Threshing. D) In evaporation. Show Answer Correct Answer: A) Condensation. 13. The process of settling down of particles of a solid in a liquid can be termed as: A) Sublimation. B) Sedimentation. C) Filtration. D) Decantation. Show Answer Correct Answer: B) Sedimentation. 14. How can we separate the sea water and the salt? A) With help of sunlight. B) With sedimentation. C) Handpicking. D) Condensation. Show Answer Correct Answer: A) With help of sunlight. 15. When a substance is dissolve completely in a liquid ( sugar in water). A homogeneous mixture is formed, it is known as ..... A) Solution. B) Homogeneous. C) Heterogeneous. D) Impure substance. Show Answer Correct Answer: A) Solution. 16. What is the name of the separation technique should a student use to separate the iron filings?FiltrationSievingSeparating funnel A) Magentism. B) Filtration. C) Sieving. D) Separating Funnel. Show Answer Correct Answer: A) Magentism. 17. The components of a solution (say sugar in water) can be separated by A) Filtration. B) Evaporation. C) Sedimentation. D) Decantation. Show Answer Correct Answer: B) Evaporation. 18. Pebbles and stones are usually removed from sand in construction sites by A) Winnowing. B) Sieving. C) All the above. D) None of the above. Show Answer Correct Answer: B) Sieving. 19. Lemonade is a special mixture called a A) Substance. B) Solution. C) Plasma. D) Ingredient. Show Answer Correct Answer: B) Solution. 20. Which of the following methods is used to separate stones from grains? A) Threshing. B) Winnowing. C) Hand-picking. D) Sieving. Show Answer Correct Answer: D) Sieving. 21. In making tea, which of these techniques is used to separate the tea leaves from the water? A) Filtration. B) Distillation. C) Evaporation. D) Hand picking. Show Answer Correct Answer: A) Filtration. 22. How will you know whether the given sample of water is pure or not? A) By drinking. B) By smelling. C) By measuring the boiling point. D) Not possible. Show Answer Correct Answer: C) By measuring the boiling point. 23. Mixture of 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) Decantation $\rightarrow$ Evaporation $\rightarrow$ Handpicking. Show Answer Correct Answer: A) Decantation $\rightarrow$ Filtration $\rightarrow$ Evaporation. 24. The process of changing solid to gas directly is ..... A) Evaporation. B) Condensation. C) Melting. D) Sublimation. Show Answer Correct Answer: D) Sublimation. 25. Which method is best suited for the separation of green vegetables from fried rice? A) Threshing. B) Handpicking. C) Filtration. D) None of the above. Show Answer Correct Answer: B) Handpicking. ← 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 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 9Class 6 Science Chapter 5 Separation Of Substances Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books