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Provide me latest MCQ Questions for Class 9 Science Chapter 2 Is Matter Around Us Pure? Free PDF Download so I can prepare for exams. Kindly give Chapter 2 Is Matter Around Us Pure? Class 9 Science MCQs Questions with Answers quickly as it is very essential.

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Below you will find MCQ Questions of Chapter 2 Is Matter Around Us Pure? Class 9 Science Free PDF Download that will help you in gaining good marks in the examinations and also cracking competitive exams. These Class 9 MCQ Questions with answers will widen your skills and understand concepts in a better manner.

MCQ Questions for Class 9 Science Chapter 2 Is Matter Around Us Pure? with Answers

MCQ Questions for Class 9 Science Chapter 2 Is Matter Around Us Pure? with answers

1. Which of the following will show Tyndall effect?

(a) Starch solution

(b) Sodium chloride solution

(c) Copper sulphate solution

(d) Sugar solution

► (a) Starch solution

2. Boron, silicon, germanium, etc., are:

(a) Metals

(b) Non-metals

(c) Metalloids

(d) None of the above

► (c) Metalloids

3. The separation of two immiscible liquids by a separating funnel depends upon:

(a) The difference in their densities.

(b) The difference in their colours.

(c) The difference in their melting points.

(d) The difference in their boiling points.

► (a) The difference in their densities.

4. The components of a solution are:

(a) Dispersed particles and solvent

(b) Solute and solvent

(c) Dispersed phase and dispersion medium

(d) Solute and dispersed medium

► (b) Solute and solvent

5. Brass contains:

(a) Gold and copper

(b) Copper and zinc

(c) Zinc and silver

(d) Copper and silver

► (b) Copper and zinc

6. Which of the following statement is correct?

(a) Both burning of a paper and cooking of food are examples of a physical change.

(b) Both burning of wood and cooking of food are examples of a chemical change.

(c) Burning of a paper is a physical change and cooking of food is a chemical change.

(d) Burning of a paper is chemical change and cooking of food is a physical change.

► (b) Both burning of wood and cooking of food are examples of a chemical change.

7. Which of the following is a liquid metal-

(a) Copper

(b) Mercury

(c) Bromine

(d) Silver

► (b) Mercury

8. The properties of mixture are _________ from its components.

(a) entirely different

(b) slightly different

(c) similar

(d) different

► (c) similar

9. The process of cooling a hot, concentrated solution of a substance to obtain crystal is called

(a) Fractional distillation

(b) Distillation

(c) Crystallisation

(d) Chromatography

► (c) Crystallisation

10. An example of a colloid is:

(a) Sugar solution

(b) Milk

(c) Oxygen

(d) Water

► (b) Milk

11. Which of the following statement is true about compounds?

(a) Compound is homogeneous and have fixed composition

(b) Compound is heterogeneous and have fixed composition

(c) Compound is heterogeneous

(d) Compound is heterogeneous and has no fixed composition

► (a) Compound is homogeneous and have fixed composition

12. Which of the following statements is not correct?

(a) A compound is a pure substance

(b) Compound is homogeneous in nature

(c) Compound always contains two or more elements

(d) Compound can be separated into constituent elements by some physical process

► (d) Compound can be separated into constituent elements by some physical process

13. The cause of Brownian movement is

(a) attractive forces between the particles of dispersed phase and dispersing medium

(b) impact of molecules of dispersion medium on colloidal particles

(c) heat changes in liquid state

(d) convection current

► (b) impact of molecules of dispersion medium on colloidal particles

14. Colloidal particles can be normally seen by-

(a) Electron microscope

(b) Naked eye

(c) Ordinary microscope

(d) Telescope

► (c) Ordinary microscope

15. A coffee filter is used to separate coffee liquid from ground, this is a suitable example for

(a) sublimation

(b) distillation

(c) filtration

(d) evaporation

► (c) filtration

16. Which of the following will show the “Tyndall effect”?

(a) Salt solution

(b) Milk and starch solution

(c) Copper sulphate solution

(d) None of the above

► (b) Milk and starch solution

17. Which of the following is a colloidal solution? 

(a) Starch solution

(b) Copper sulphate solution 

(c) Chalk powder in water

(d) Kerosene oil and water

► (a) Starch solution

18. Which of the following is not a compound?

(a) Common salt

(b) Water

(c) Iron fillings

(d) Copper sulphate

► (c) Iron fillings

19. When a beam of light is passed through a true solution, it gets

(a) Reflected

(b) Absorbed

(c) Scattered

(d) Path of light does not visible

► (d) Path of light does not visible

20. Camphor can be purified by

(a) Distillation

(b) Filtration

(c) Sedimentation

(d) Sublimation

► (d) Sublimation

21. Carbon burns in oxygen to form carbon dioxide. The properties of carbon dioxide are

(a) Similar to oxygen

(b) Similar to carbon

(c) Totally different from both carbon and oxygen 

(d) Much similar to both carbon and oxygen

► (c) Totally different from both carbon and oxygen 

22. Which of the following colloid is a gel?

(a) Fog

(b) Jellies

(c) Milk

(d) Smoke

► (b) Jellies

23. Which out of the following is a heterogeneous mixture?

(a) Air

(b) Brass

(c) Iodised table salt

(d) Steel

► (c) Iodised table salt

24. Which of the following is not a compound?

(a) Sulphur dioxide

(b) Chalk

(c) Lead

(d) Sulphuric acid

► (c) Lead

25. Which of the following statement is not true?

(a) The solubility of gases in liquids decreases on increasing the temperature.

(b) The solubility of solids in liquids remain unaffected by changes in pressure.

(c) The solubility of solids in liquids increases on increasing the temperature.

(d) The solubility of gases in liquids increases on increasing the temperature.

► (d) The solubility of gases in liquids increases on increasing the temperature.

26. A mixture of alcohol and water can be separated by

(a) Separating funnel

(b) Fractional distillation

(c) Distillation

(d) Crystallisation

► (b) Fractional distillation

27. If a solution contains 60g of common salt in 340g of water, the mass by mass percentage will be:

(a) 25 %

(b) 15 %

(c) 20 %

(d) 17.6 %

► (b) 15 %

28. When iron and sulphur are heated at high temperature

(a) Black coloured FeS is formed

(b) Mixture of iron and sulphur is obtained

(c) Yellow coloured iron sulphide is formed

(d) They do not heat

► (a) Black coloured FeS is formed

Hope the given MCQ Questions will help you in cracking exams with good marks. These Is Matter Around Us Pure? MCQ Questions will help you in practising more and more questions in less time.

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