This quiz works best with JavaScript enabled. Home > Class 6 > Class 6 Science Chapter 5 Separation Of Substances – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 6 Science Chapter 5 Separation Of Substances Quiz 13 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Paheli asked for a glass of water from Boojho. He gave her a glass of ice cold water. Paheli observed some water droplets on the outer surface of the glass and asked Boojho how these droplets of water were formed? Which of the following should be Boojho's answer? A) Evaporation of water from the glass. B) Water that seeped out from the glass. C) Evaporation of atmospheric water vapour. D) Condensation of atmospheric water vapour. Show Answer Correct Answer: D) Condensation of atmospheric water vapour. 2. Pure substances are made up of the same kind of atoms. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 3. While conducting an experiment, Rahul noticed that the particles of a solid were settling down in the liquid he was using. This process is known as A) Sublimation. B) Sedimentation. C) Filtration. D) Decantation. Show Answer Correct Answer: B) Sedimentation. 4. How is butter taken out from milk or curd A) Grinding. B) Mixing. C) Churning. D) Filtering. Show Answer Correct Answer: C) Churning. 5. Salt is obtained from sea water by which process? A) Condensation. B) Evaporation. C) Filtration. D) Sedimentation. Show Answer Correct Answer: B) Evaporation. 6. Mixing of similar harm substance in original substance, like white stones in rice is called: A) HOMOGENEOUS MIXTURE. B) HETEROGENEOUS MIXTURE. C) ADULTERATION. D) None of the above. Show Answer Correct Answer: C) ADULTERATION. 7. What is the purpose for which we dothe separation? A) To remove non-useful components. B) To separate two different, but useful components. C) To remove impurities or harmful components. D) All of the above. Show Answer Correct Answer: D) All of the above. 8. When insoluble particles settle down in water, this process is called ..... A) Decantation. B) Filtration. C) Sedimentation. D) Crystilisation. Show Answer Correct Answer: C) Sedimentation. 9. Evaporation is used to separate A) Solids which are sublimes. B) Solids which are lighter or heavier. C) Solids which do not dissolve in water. D) Solids which dissolve in water. Show Answer Correct Answer: D) Solids which dissolve in water. 10. Which method is used to separate tea leaves from tea? A) Decantation. B) Sieving. C) Churning. D) None of these. Show Answer Correct Answer: B) Sieving. 11. A substance that sublime even at room temperature A) Naphthalene. B) Salt. C) Sugar. D) Chalk. Show Answer Correct Answer: A) Naphthalene. 12. Acetone and water separated by A) Filtration. B) Decantation. C) Distillation. D) Evaporation. Show Answer Correct Answer: C) Distillation. 13. The separation of grains from husk is done by the process of A) Handpicking. B) Sieving. C) Winnowing. D) Threshing. Show Answer Correct Answer: C) Winnowing. 14. 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. 15. A single substance of a definite composition is called a/an A) Pure substance. B) Impure substance. C) Mixture. D) Solution. Show Answer Correct Answer: A) Pure substance. 16. How can I get salt out of water after it has dissolved and formed a solution? A) Pour it out through a screen. B) You can't. It's dissolved, it's gone. C) Let the water evaporate, salt will remain. D) Pour it through a filter. Show Answer Correct Answer: C) Let the water evaporate, salt will remain. 17. In threshing, A) Bran is removed from flour using a sieve. B) Muddy water is filtered through a piece of cloth. C) Tea is poured through a strainer. D) Stalks are beaten to free the grain seeds. Show Answer Correct Answer: D) Stalks are beaten to free the grain seeds. 18. If the solute is ..... it will dissolve more solute.Fill in the blank with correct answer. A) Decrease in temperature. B) Increase in temperature. C) Heating. D) Cooling. Show Answer Correct Answer: C) Heating. 19. Is blood a mixture? A) No. B) Yes. C) All the above. D) None of the above. Show Answer Correct Answer: B) Yes. 20. A mixture is a material made by mixing two or more substances which can be easily separated. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 21. Which method is used to manually remove unwanted materials from a mixture? A) Magnetic Separation. B) Filtration. C) Sieving. D) Handpicking. Show Answer Correct Answer: D) Handpicking. 22. Ramesh is a farmer and he want to separate husk frrom wheat what should he do A) FILTRATION. B) THRESHING. C) WINNOWING. D) EVAPORATION. Show Answer Correct Answer: C) WINNOWING. 23. After the sedimentation of mud in water, the clear water can be separated by A) Evaporation. B) Decantation. C) All the above. D) None of the above. Show Answer Correct Answer: B) Decantation. 24. A student measures 5 grams of sugar into 50 milliliters of water in a flask.Which of the following should the student do to help the sugar dissolve more quickly into the water? A) Place the flask in a refrigerator. B) Place a stopper in the top of the flask. C) Add more water to the mixture. D) Gently swirl the mixture in the flask. Show Answer Correct Answer: D) Gently swirl the mixture in the flask. 25. Milk is a mixture of A) Water. B) Cream. C) Water and cream. D) Carbon dioxide. Show Answer Correct Answer: C) Water and cream. ← 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