Is Matter Around Us Class 9 MCQs Questions, Chapter-2 Post author:KeyIndia Education Post published:November 18, 2021 Post category:CBSE Science Class 9th / NCERT / TEST/QUIZ Post comments:1 Comment /25 22 Created on November 18, 2021Class 9th Science Is Matter Around Us Class 9 MCQs Questions, Chapter-2 Candidate Information FormPlease Fill Details Before Start Quiz/Test NameEmail 1 / 25 Category: Chapter 2 Is Matter Around Us Pure 1. A pure substance which is made up of only one kind of atom and cannot be broken into two or more simpler substances by physical or chemical means is referred to as A. a compound B. an element C. a mixture D. a molecule 2 / 25 Category: Chapter 2 Is Matter Around Us Pure 2. The continuous zig-zag movement of colloidal particles in a dispersion medium is called A. Oscillation B. Brownian movement C. Dispersion D. Tyndall effect 3 / 25 Category: Chapter 2 Is Matter Around Us Pure 3. Mercury and bromine are both A. Both liquid at room temperature & solid at room temperature B. gases at room temperature C. liquid at room temperature D. solid at room temperature 4 / 25 Category: Chapter 2 Is Matter Around Us Pure 4. Sol and gel are examples of A. Sol is a liquid-solid colloid and gel is a solid-liquid colloid B. Solid-solid colloids C. Sol is solid-solid colloid and gel is solid-liquid colloid D. Sol is a solid-liquid colloid and gel is liquid solid colloid 5 / 25 Category: Chapter 2 Is Matter Around Us Pure 5. Which of the following methods would you use to separate cream from milk? A. Distillation B. Filtration C. Centrifugation D. Fractional distillation 6 / 25 Category: Chapter 2 Is Matter Around Us Pure 6. In tincture of iodine, find the solute and solvent? A. alcohol is the solute and iodine is the solvent B. any component can be considered as solute or solvent C. tincture of iodine is not a solution D. iodine is the solute and alcohol is the solvent 7 / 25 Category: Chapter 2 Is Matter Around Us Pure 7. What is the name of the metal which exists in liquid state at room temperature? A. Mercury B. Bromine C. Potassium D. Sodium 8 / 25 Category: Chapter 2 Is Matter Around Us Pure 8. Which of the following statements are true for pure substances?(i) Pure substances contain only one kind of particles(ii) Pure substances may be compound or mixtures(iii) Pure substances have the same composition throughout(iv) Pure substances can be exemplified by all elements other than nickel A. (i) and (ii) B. (ii) and (iii) C. (i) and (iii) D. (iii) and (iv) 9 / 25 Category: Chapter 2 Is Matter Around Us Pure 9. When the liquid is spun rapidly, the denser particles are forced to the bottom and the lighter particles stay at the top. This principle is used in: A. Tunneling B. Evaporation C. Fractional distillation D. Centrifugation 10 / 25 Category: Chapter 2 Is Matter Around Us Pure 10. If we put camphor in an open container, its amount keeps on decreasing due to the phenomenon of A. Condensation B. Sublimation C. Precipitation D. Evaporation 11 / 25 Category: Chapter 2 Is Matter Around Us Pure 11. Tincture of iodine has antiseptic properties. This solution is made by dissolving A. iodine in vaseline B. iodine in potassium iodide C. iodine in alcohol D. iodine in water 12 / 25 Category: Chapter 2 Is Matter Around Us Pure 12. Two substances, A and B were made to react to reaction a third substance, A2B according to the following 2 A + B → A2B, which of the following statements concerning this reaction are incorrect?(i) The product A2B shows the properties of substances A and B(ii) The product will always have a fixed composition(iii) The product so formed cannot be classified as a compound(iv) The product so formed is an element A. (i), (ii) and (iv) B. (i), (ii) and (iii) C. (i), (iii) and (iv) D. (ii), (iii) and (iv) 13 / 25 Category: Chapter 2 Is Matter Around Us Pure 13. Rusting of an article made up of iron is called A. corrosion and it is a physical as well as chemical change B. corrosion and it is a chemical change C. dissolution and it is a physical change D. dissolution and it is a chemical change 14 / 25 Category: Chapter 2 Is Matter Around Us Pure 14. Which of the following are physical changes?(i) Melting of iron metal(ii) Rusting of iron(iii) Bending of an iron rod(iv) Drawing a wire of iron metal A. (i), (ii) and (iii) B. (i), (ii) and (iv) C. (ii), (iii) and (iv) D. (i), (iii) and (iv) 15 / 25 Category: Chapter 2 Is Matter Around Us Pure 15. A colloid is a ………….. mixture and its components can be separated by the technique known as …………… Check 16 / 25 Category: Chapter 2 Is Matter Around Us Pure 16. Which of the following are physical changes?(i) Melting of iron metal(ii) Rusting of iron(iii) Bending of an iron rod(iv) Drawing a wire of iron metal A. (i), (iii) and (iv) B. (ii), (iii) and (iv) C. (i), (ii) and (iii) D. (i), (ii) and (iv) 17 / 25 Category: Chapter 2 Is Matter Around Us Pure 17. In a water-sugar solution A. water is solute and water is also solvent B. none of these C. water is solute and sugar is solvent D. water is solvent and sugar is solute 18 / 25 Category: Chapter 2 Is Matter Around Us Pure 18. Blood and sea water are A. both mixtures B. blood is a mixture whereas sea water is a compound C. blood is a compound and sea water is a mixture D. both are compounds 19 / 25 Category: Chapter 2 Is Matter Around Us Pure 19. A mixture of sulphur and carbon disulphide is A. heterogeneous and does not show Tyndall effect B. heterogeneous and shows Tyndall effect C. homogeneous and does not show Tyndall effect D. homogeneous and shows Tyndall effect 20 / 25 Category: Chapter 2 Is Matter Around Us Pure 20. The amount of solute present per unit volume or per unit mass of the solution/solvent is known as A. Concentration of a solvent B. Concentration of a solution C. Concentration of a solute D. Composition of solute 21 / 25 Category: Chapter 2 Is Matter Around Us Pure 21. Boron and carbon are A. metalloids B. metal C. non-metal and metalloid respectively D. metalloid and non-metal respectively 22 / 25 Category: Chapter 2 Is Matter Around Us Pure 22. Boron and carbon are A. metalloids B. metalloid and non-metal respectively C. non-metal and metalloid respectively D. metal 23 / 25 Category: Chapter 2 Is Matter Around Us Pure 23. Which of the following elements is not a metalloid? A. Germanium B. Boron C. Silicon D. Tungsten 24 / 25 Category: Chapter 2 Is Matter Around Us Pure 24. How one can separate ammonium chloride from a mixture containing ammonium chloride and sodium chloride? A. Chromatography B. Precipitation C. Sublimation D. Cetrifugation 25 / 25 Category: Chapter 2 Is Matter Around Us Pure 25. Sol and gel are examples of A. Solid-solid colloids B. Sol is a solid-liquid colloid and gel is liquid solid colloid C. Sol is a liquid-solid colloid and gel is a solid-liquid colloid D. Sol is solid-solid colloid and gel is solid-liquid colloid Your score isThe average score is 20% LinkedIn Facebook 0% Restart quiz See review Send feedback Please Share This Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window You Might Also Like CLASS 9: THE FUNDAMENTAL UNIT OF LIFE FILL IN THE BLANKS QUESTIONS November 20, 2021 MCQs Test/Quiz Class 9: Chapter 7: Triangle (Maths) November 25, 2021 MCQs Test/Quiz: Class 9: Chapter 6 : Lines and Angles (Maths) November 22, 2021 This Post Has One Comment Pushu November 19, 2021 Reply That’s a very interesting quiz. Thanku sir for providing to me for inhansing knowledge. 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Pushu November 19, 2021 Reply That’s a very interesting quiz. Thanku sir for providing to me for inhansing knowledge.
That’s a very interesting quiz. Thanku sir for providing to me for inhansing knowledge.