This quiz works best with JavaScript enabled. Home > Class 9 > Class 9 Science Chapter 2 Is Matter Around Us Pure – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 9 Science Chapter 2 Is Matter Around Us Pure Quiz 5 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A combination that can be separated by physical processes is a ..... A) Pure Substance. B) Glucose. C) Element. D) Mixture. Show Answer Correct Answer: D) Mixture. 2. Which of the following is a sublimating substance? A) NaCl. B) NH$_{4}$Cl. C) MgCl$_{2}$. D) None of the above. Show Answer Correct Answer: B) NH$_{4}$Cl. 3. What is a heterogeneous mixture? A) A mixture that consists of two or more substances. B) A mixture in which the substances are evenly distributed. C) A mixture that consists of a single substance. D) A mixture in which the substances are not evenly distributed. Show Answer Correct Answer: D) A mixture in which the substances are not evenly distributed. 4. Brass is a mixture of ..... and ..... A) Zinc & Magnesium. B) Zinc & Carbon. C) Zinc & Copper. D) None of the above. Show Answer Correct Answer: C) Zinc & Copper. 5. What is the size of particle in a colloid? A) 1nm-1000nm. B) 10nm-100nm. C) 1nm-100nm. D) 10nm-1000nm. Show Answer Correct Answer: C) 1nm-100nm. 6. The amount of solute present per unit volume or per unit mass of the solution/solvent is known as A) Composition of solute. B) Concentration of a solvent. C) Concentration of a solute. D) Concentration of a solution. Show Answer Correct Answer: D) Concentration of a solution. 7. Name the property through which metals shine. A) Platinum. B) Diamond. C) Malleability. D) Lustre. Show Answer Correct Answer: D) Lustre. 8. A mixture of chloroform and water taken in a separating funnel is mixed and left undisturbed for sometime. The upper layer in the separating funnel will be of ..... and the lower layer will be that of ..... A) Water, chloroform. B) Chloroform, water. C) All the above. D) None of the above. Show Answer Correct Answer: A) Water, chloroform. 9. The beginning substances in a chemical reaction are called ..... A) Reactants. B) Products. C) All the above. D) None of the above. Show Answer Correct Answer: A) Reactants. 10. ..... was the first scientist to coin the term element in ..... A) Robert Boyle, 1683. B) Antoine Lavoisier, 1661. C) Robert Boyle, 1661. D) Antoine Robert Lavoisier, 1743. Show Answer Correct Answer: C) Robert Boyle, 1661. 11. What is meant by chromatography? A) The process of separation of volatile and non volatile mixtures is called chromatography. B) The process of separation of components of a mixture based on its solubility is called chromatography. C) The process of separation based on its solubility is called chromatography. D) None of the above. Show Answer Correct Answer: B) The process of separation of components of a mixture based on its solubility is called chromatography. 12. Who was the first person to give the experimentally useful definition of an element? A) Antoine Laurent Lavoisier. B) Robert Boyle. C) All the above. D) None of the above. Show Answer Correct Answer: A) Antoine Laurent Lavoisier. 13. The component of the solution that dissolves the other component in it (usually the component present in larger amount) is called the ..... A) SOLUTE. B) SOLVENT. C) All the above. D) None of the above. Show Answer Correct Answer: B) SOLVENT. 14. How will you seperate sulphur and iron fillings A) Handpicking. B) Sieving. C) Crystallization. D) Magnetic seperation. Show Answer Correct Answer: D) Magnetic seperation. 15. In a sugar solution water is ..... and sugar is ..... A) Water is solute and sugar is solvent. B) Water solute and as well as solvent. C) Water is solvent and sugar is solute. D) None of the above. Show Answer Correct Answer: C) Water is solvent and sugar is solute. 16. Which of the following statement is not true about true solution? A) It can pass through filter paper. B) It is a homogeneous mixture. C) On constant temperature, the particles settle down. D) From a true solution, the solute can easily be recovered by evaporation. Show Answer Correct Answer: C) On constant temperature, the particles settle down. 17. What is the name of the metal which exists in liquid state at room temperature? A) Sodium. B) Potassium. C) Mercury. D) Bromine. Show Answer Correct Answer: C) Mercury. 18. Two substances, A and B were made to react to form a third substance, A2B according to the following reaction2 A + B $\rightarrow$ A) (i), (ii) and (iii),. B) (ii), (iii) and (iv). C) (i), (iii) and (iv). D) (ii) and (iv) and (iv) and (iv). Show Answer Correct Answer: C) (i), (iii) and (iv). 19. Which of the following is not an emulsion? A) Milk. B) Butter. C) Face cream. D) Shaving cream. Show Answer Correct Answer: D) Shaving cream. 20. Name the process by which two immiscible liquids can be separated A) Separating Funnel. B) Separating Pipe. C) Separating tube. D) None of the above. Show Answer Correct Answer: A) Separating Funnel. 21. Which of the following non-metal is not a good conductor of electricity? A) Silicon. B) Graphite. C) Chlorine. D) Gold. Show Answer Correct Answer: C) Chlorine. 22. Chemicals that can be used to kill bacteria in water purification work A) Chlorine. B) Ozone. C) Sulfuric acid. D) Chlorine and Ozone. Show Answer Correct Answer: D) Chlorine and Ozone. 23. What will you use to solve:[Find the concentration of a solution with 40g of salt in 320g of water] A) Mass/Volume%. B) Volume/Volume%. C) Mass/Mass%. D) Volume/Mass%. Show Answer Correct Answer: C) Mass/Mass%. 24. Depending upon the nature of the components that form a mixture, we have the following types A) Coloured mixture & Colourless mixture. B) Homogeneous mixture & Heterogeneous mixture. C) Clear mixture & Unclear mixture. D) None of the above. Show Answer Correct Answer: B) Homogeneous mixture & Heterogeneous mixture. 25. The clear liquid which is left behind in the beaker after settling down of sediments is called: A) Solvent. B) Filtrate. C) Supernatant. D) Solution. Show Answer Correct Answer: C) Supernatant. ← 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 6Class 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