This quiz works best with JavaScript enabled. Home > Class 6 > Class 6 Science Chapter 5 Separation Of Substances – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 6 Science Chapter 5 Separation Of Substances Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. What is the purpose of sedimentation and decantation? A) Separating solid-solid mixtures. B) Separating liquid components from a mixture. C) Separating insoluble solid from liquid. D) Separating solids from liquids. Show Answer Correct Answer: C) Separating insoluble solid from liquid. 3. 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. 4. During ..... the solid particles that settle down forming a layer are called sediments A) Decantation. B) Condensation. C) Evaporation. D) Sieving. E) Sedimentation. Show Answer Correct Answer: E) Sedimentation. 5. The saturation level of a mixture decreases over ..... A) Heating. B) Cooling. C) Freezing. D) Blowing. Show Answer Correct Answer: A) Heating. 6. Evaporation is ..... of condensation A) Similar. B) Friend. C) Operation. D) Opposite. E) Enemy. Show Answer Correct Answer: D) Opposite. 7. Butter is separated from milk by? A) Winnowing. B) Handpicking. C) Churning. D) Threshing. Show Answer Correct Answer: C) Churning. 8. 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. 9. 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 butter from curd. B) Separation of salt from sea water. C) Sprinkling water on a dusty street before sweeping. D) Separation of grain seeds from their stalks. Show Answer Correct Answer: C) Sprinkling water on a dusty street before sweeping. 10. 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. 11. 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. 12. When the heavier component in a mixture settles after water is added to it, the process is called ..... A) Evaporation. B) Filtration. C) Decantation. D) Sedimentation. Show Answer Correct Answer: A) Evaporation. 13. How do you separate water from milk? A) Evaporation. B) Filtration. C) Condensation. D) Sedimantation. Show Answer Correct Answer: A) Evaporation. 14. 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. 15. Which of the following is used to separate the mixture water and petrol? A) Winnowing. B) Turning. C) Filtration. D) Separating funnel. Show Answer Correct Answer: D) Separating funnel. 16. 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. 17. 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. 18. The sieving is done based on the property of A) Difference in weight. B) Difference in colour. C) Difference in shape. D) Difference in size. Show Answer Correct Answer: D) Difference in size. 19. 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. 20. A ..... is made up of only one kind of particles. A) Mixture. B) Compound. C) Pure substance. D) Impure substance. Show Answer Correct Answer: C) Pure substance. 21. Distilled water is an example of A) Pure substance. B) Compound. C) Mixture. D) Impure substance. Show Answer Correct Answer: C) Mixture. 22. When do we use sieving? A) Whenever we like. B) When we have to separate husk from grains. C) When we have to separate substances of different size. D) When the substances are of same size. Show Answer Correct Answer: C) When we have to separate substances of different size. 23. 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. 24. 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. 25. The method of separation in which heavier and lighter components of a mixture are separated with the help of wind is called A) Threshing. B) Winnowing. C) Sedimentation. D) Sieving. Show Answer Correct Answer: B) Winnowing. ← PreviousNext →Related QuizzesClass 6 Science Chapter 5 Separation Of Substances Quiz 1Class 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 10Class 6 Science Chapter 5 Separation Of Substances Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books