This quiz works best with JavaScript enabled. Home > Class 6 > Class 6 Science Chapter 5 Separation Of Substances – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 6 Science Chapter 5 Separation Of Substances Quiz 19 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What method will you use to separate lighter husk from wheat or flour? A) Handpicking. B) Winnowing. C) Sieving. D) Threshing. Show Answer Correct Answer: C) Sieving. 2. Water that is fit for drinking is called A) Potable water. B) Portable water. C) Distilled water. D) Salty water. Show Answer Correct Answer: A) Potable water. 3. Butter is separated from milk by ..... method. A) Sedimentation. B) Filteration. C) Churning. D) Evaporation. Show Answer Correct Answer: C) Churning. 4. Rocks are pure substances. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 5. The process by which the liquid changes into a gas is called Evaporation. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 6. What is formed when we dissolve a substance in water? A) Solute. B) Mixture. C) Solvent. D) Solution. Show Answer Correct Answer: D) Solution. 7. Distillation is a separation technique in which ..... is followed by ..... A) Condensation-Evaporation. B) Evaporation-Condensation. C) Filtration-Sedimentation. D) Sedimentation-Filtration. Show Answer Correct Answer: B) Evaporation-Condensation. 8. Impurities that settle down at the bottom of the container are called as- A) Filtrate. B) Sediments. C) All the above. D) None of the above. Show Answer Correct Answer: B) Sediments. 9. In modern times, threshing is done by A) Hand. B) Machines. C) Camel and buffaloes. D) All of these. Show Answer Correct Answer: B) Machines. 10. Which of the following mixtures use filtration as method of separating components? i) Salt in water iii) Chalk powder in water ii) Tea with tea leaves iv) Fruit juice with pulp A) (extent), (II) & (III). B) (ii) & (iii). C) (ii), (iii) & (iv). D) All of the above. Show Answer Correct Answer: C) (ii), (iii) & (iv). 11. Seperation is necessary when we need to remove unwanted things A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 12. The heavy inferable particles which settle down at the bottom is called the sediments A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 13. Find the method used separate mud and water as well as oil and water A) Separation. B) Decantation. C) Watching. D) Lamination. Show Answer Correct Answer: B) Decantation. 14. ..... is the method is used for separating small particles of dirt stone husk etc from the grains of wheat, rice pulses etc. A) Winnowing. B) Decantation. C) Churning. D) Hand picking. Show Answer Correct Answer: D) Hand picking. 15. In a mixture, constituents can be present in any ratio A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 16. Say true or false? A mixture of milk and water can be separated by filtration A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 17. The separation method used by farmers A) Filtration. B) Distillation. C) Sedimentation. D) Threshing. Show Answer Correct Answer: D) Threshing. 18. A mixture of tea leaves and iron filings can be separated by which method? A) Hand picking. B) Sieving. C) Magnetic separation. D) Filtration. Show Answer Correct Answer: C) Magnetic separation. 19. Winnowing is the process of separating ..... from ..... is known as Winnowing. A) Grains and Harvested stalks. B) Grains and Husk. C) Grains and Sand. D) Sand, Husk, Iron man and I don't know. Show Answer Correct Answer: B) Grains and Husk. 20. Separating the insoluble suspended solids of various sizes from a liquid is called A) Evaporation. B) Decantation. C) Sedimentation. D) Filtration. Show Answer Correct Answer: D) Filtration. 21. Salt is obtained from seawater by the process of (a) A) A. evaporation. B) Decantation. C) Sedimentation. D) Hand Picking. Show Answer Correct Answer: A) A. evaporation. 22. By sieving ..... and ..... are removed from sand A) Salt, sugar. B) Iron, wood. C) Food, water. D) Pebbles, stones. Show Answer Correct Answer: D) Pebbles, stones. 23. How to separate salt from sea water by ..... method? A) Condenstation. B) Sedimentation. C) Distillation. D) Evaporation. Show Answer Correct Answer: D) Evaporation. 24. While preparing chapatis, Paheli found that the flour to be used was mixed with wheat grains. Which out of the following is the most suitable method to separate the grains from the flour? A) Threshing. B) Sieving. C) Winnowing. D) Filtration. Show Answer Correct Answer: B) Sieving. 25. Evaporation is used to- A) Turn water into ice. B) Turn ice into water. C) Turn water into water vapor. D) None of the above. Show Answer Correct Answer: C) Turn water into water vapor. ← 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