Illustration of matter states or particles.

Is Matter Around Us Pure? - Class 9 Science Quiz

A Quiz for CBSE Class 9 Science Students (Set 1)

Embark on your journey into the world of Matter Around Us Pure with this first quiz set from Quiznest.in! This quiz is tailored for Class 9 Science students, covering fundamental concepts like the definition of pure substances, mixtures, and their types. Are you ready to begin?

1. What does 'pure' mean for a scientist regarding a substance?

A) It has no adulteration. B) It is tasteless. C) All constituent particles of that substance are the same in their chemical nature. D) It is transparent.

2. Which of the following is considered a mixture by scientists?

A) Sugar B) Sodium chloride C) Milk D) Water

3. Sodium chloride can be separated from water by which physical process?

A) Filtration B) Distillation C) Evaporation D) Decantation

4. What is a key characteristic of a pure substance?

A) It has variable composition. B) It consists of a single type of particle. C) It can be separated by physical processes. D) It always contains impurities.

5. Which of the following is an example of a homogeneous mixture?

A) Sand and salt B) Oil and water C) Sugar dissolved in water D) Sodium chloride and iron filings

6. Mixtures that contain physically distinct parts and have non-uniform compositions are called:

A) Homogeneous mixtures B) Solutions C) Suspensions D) Heterogeneous mixtures

7. What type of mixture is formed when chalk powder or wheat flour is added to water?

A) Solution B) Colloidal solution C) Suspension D) Homogeneous mixture

8. A solution is defined as a homogeneous mixture of how many substances?

A) Exactly one B) Exactly two C) Two or more D) Three only

9. Besides liquids, solutions can also exist in which states?

A) Only solid B) Only gaseous C) Solid and gaseous D) Plasma

10. What is an alloy considered to be?

A) A pure substance B) An element C) A compound D) A mixture

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Is Matter Around Us Pure? Quizzes

Is Matter Around Us Pure Set 1 Is Matter Around Us Pure Set 2 Is Matter Around Us Pure Set 3

Is Matter Around Us Pure? - Class 9 Science Quiz

A Quiz for CBSE Class 9 Science Students (Set 1)

1. What does 'pure' mean for a scientist regarding a substance? Read

2. Which of the following is considered a mixture by scientists? Read

3. Sodium chloride can be separated from water by which physical process? Read

4. What is a key characteristic of a pure substance? Read

5. Which of the following is an example of a homogeneous mixture? Read

6. Mixtures that contain physically distinct parts and have non-uniform compositions are called: Read

7. What type of mixture is formed when chalk powder or wheat flour is added to water? Read

8. A solution is defined as a homogeneous mixture of how many substances? Read

9. Besides liquids, solutions can also exist in which states? Read

10. What is an alloy considered to be? Read