This quiz works best with JavaScript enabled. Home > Class 9 > Class 9 Science Chapter 2 Is Matter Around Us Pure – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 9 Science Chapter 2 Is Matter Around Us Pure Quiz 6 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. I AM A HETEROGENEOUS MIXTUREI HAVE NO CONNECTIONS WITH ANY IPL FIXTUREI AM BIG AND YOU CAN SEE ME WITHOUT TOOLSI AM STABLE TO UNSTABLE OVER TIME BUT NOT TO MAKE YOU FOOLS A) SOLUTION. B) SUSPENSION. C) COLLOID. D) SOL. Show Answer Correct Answer: B) SUSPENSION. 2. IN A SOLUTION THERE IS HOMOGENEITY AT THE ..... LEVEL. A) ATOM. B) PURITY. C) MARKET. D) PARTICLE. Show Answer Correct Answer: D) PARTICLE. 3. A liquid and a solid are found together in a single phase. What is this known as? A) Solution. B) Solute. C) Solvent. D) Emulsion. Show Answer Correct Answer: A) Solution. 4. The process used to separate oil and water is: A) Distillation. B) Sublimation. C) Separating funel. D) Chromatography. Show Answer Correct Answer: C) Separating funel. 5. Salt can be separated from water by A) Distillation. B) Evaporation. C) Chromatography. D) Centrifugation. Show Answer Correct Answer: B) Evaporation. 6. What is the method suitable to obtain pure water from seawater. A) Simple distillation. B) Fractional distillation. C) Filtration. D) Evaporation to dryness. Show Answer Correct Answer: A) Simple distillation. 7. Which of the following is a universal solvent A) Water. B) Acetone. C) Petrol. D) None of these. Show Answer Correct Answer: A) Water. 8. Air is a mixture of gas in gas. Air is a homogeneous mixture of a number of gases. Its two main constituents are:OXYGEN IS ..... and nitrogen (78%). A) 20%. B) 21%. C) 90%. D) 70%. Show Answer Correct Answer: B) 21%. 9. What is a Solution? A) A homogeneous mixture of two or more chemically non-reacting substances. B) A homogeneous mixture of two or more chemically reacting substances. C) All the above. D) None of the above. Show Answer Correct Answer: A) A homogeneous mixture of two or more chemically non-reacting substances. 10. If no more solute can be dissolved in a solvent at a given temperature, it is which type of solution? A) True solution. B) Suspension. C) Colloid. D) Saturated solution. Show Answer Correct Answer: D) Saturated solution. 11. Colloids can be separated by A) Filtration. B) Distillation. C) Sedimentation. D) Centrifugation. Show Answer Correct Answer: D) Centrifugation. 12. Two chemical species X and Y combine together to form a product P which contains both X and YX + Y $\rightarrow$ A) (i), (ii) and (iii),. B) (i), (ii) and (iv). C) (ii), (iii) and (iv). D) (i), (iii) and (iv). Show Answer Correct Answer: D) (i), (iii) and (iv). 13. State True or False:A homogeneous solution does not show Tyndall effect? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 14. Conversion of milk into curd is not a physical change. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 15. Emulsion is a colloidal solution of liquid in A) Solid. B) Gases. C) Liquid. D) None of these. Show Answer Correct Answer: C) Liquid. 16. A mixture of milk and water is ..... mixture and ..... show Tyndall effect. A) Homogeneous, will. B) Homogeneous, will not. C) Heterogeneous, will. D) Heterogeneous, will not. Show Answer Correct Answer: C) Heterogeneous, will. 17. How will you seperate oxygen from a mixture of liquid air? A) Centrifugation. B) Seperating funnel. C) Fractional distillation. D) Distillation. Show Answer Correct Answer: C) Fractional distillation. 18. HOW MANY ELEMENTS EXIST ROUGHLY ANDHOW MANY ELEMENTS ARE NATURALLY OCCURING A) 100+, 97. B) 180+, 76. C) 100+, 92. D) 180+, 83. Show Answer Correct Answer: C) 100+, 92. 19. H2 would be a ..... A) Solid. B) Compound. C) Element. D) None of the above. Show Answer Correct Answer: C) Element. 20. What is the molarity of a 2 liter solution containing 5 moles of NaCl? A) 2.5. B) 0.4. C) 2.5 moles/liter. D) 10 moles/liter. Show Answer Correct Answer: C) 2.5 moles/liter. 21. The method used to separate a dye from blue ink is called ..... A) Evaporation. B) Sedimentation. C) Crystallisation. D) Filteration. Show Answer Correct Answer: A) Evaporation. 22. What is a dye? A) Mixture of two colors. B) Mixture of two or more colors. C) Mixture of two or more pigments. D) Mixture of three types of stains. Show Answer Correct Answer: B) Mixture of two or more colors. 23. Non uniform compositions of solutions called ..... solutions. A) Mixer. B) Texture. C) Homogeneous. D) Heterogeneous. Show Answer Correct Answer: D) Heterogeneous. 24. Alloy is an example of ..... A) Solution. B) Suspension. C) Colloid. D) Gel. Show Answer Correct Answer: A) Solution. 25. The solute particles cannot be separated from the mixture by the process of ..... A) SEDIMENTATIION. B) FILTRATION. C) Decantation. D) MANUALLY SEPARATING. Show Answer Correct Answer: B) FILTRATION. ← PreviousNext →Related QuizzesClass 9 Science Chapter 2 Is Matter Around Us Pure Quiz 1Class 9 Science Chapter 2 Is Matter Around Us Pure Quiz 2Class 9 Science Chapter 2 Is Matter Around Us Pure Quiz 3Class 9 Science Chapter 2 Is Matter Around Us Pure Quiz 4Class 9 Science Chapter 2 Is Matter Around Us Pure Quiz 5Class 9 Science Chapter 2 Is Matter Around Us Pure Quiz 7Class 9 Science Chapter 2 Is Matter Around Us Pure Quiz 8Class 9 Science Chapter 2 Is Matter Around Us Pure Quiz 9Class 9 Science Chapter 2 Is Matter Around Us Pure Quiz 10Class 9 Science Chapter 2 Is Matter Around Us Pure Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books