Illustration of matter states or particles.

Is Matter Around Us Pure? - Class 9 Science Quiz

A Quiz for CBSE Class 9 Science Students (Set 2)

Challenge yourself with Set 2 of our 'Is Matter Around Us Pure?' Class 9 Science quiz. This quiz focuses on properties of solutions, concentration, and types of mixtures. Are you ready to begin?

1. In tincture of iodine, what acts as the solute?

A) Alcohol (liquid) B) Iodine (solid) C) Water (liquid) D) Carbon dioxide (gas)

2. Air is primarily a homogeneous mixture of which two gases?

A) Carbon dioxide and Oxygen B) Oxygen (21%) and Nitrogen (78%) C) Hydrogen and Oxygen D) Nitrogen and Carbon dioxide

3. What is the approximate diameter of particles in a solution?

A) Larger than 100 nm B) Between 1 nm and 100 nm C) Smaller than 1 nm (10^-9 metre) D) Visible to naked eyes

4. Why is the path of light not visible when passing through a solution?

A) Because the particles absorb light. B) Because of very small particle size, they do not scatter a beam of light. C) Because the solution is transparent. D) Because the light beam is too weak.

5. Can solute particles be separated from a solution by filtration?

A) Yes, easily. B) Only if the particles are very large. C) No, they cannot be separated by filtration. D) Only by heating the solution.

6. A solution in which no more solute can be dissolved at a given temperature is called a:

A) Dilute solution B) Concentrated solution C) Saturated solution D) Unsaturated solution

7. What is the amount of solute present in a saturated solution at a particular temperature called?

A) Concentration B) Solubility C) Saturation limit D) Dispersed phase

8. If a solution contains less solute than the saturation level, it is known as an:

A) Saturated solution B) Concentrated solution C) Unsaturated solution D) Super-saturated solution

9. The concentration of a solution is defined as the amount of solute present in a given amount of:

A) Solvent B) Solute C) Mixture D) Solution

10. According to Example 2.1 in the text, if 40 g of common salt is in 320 g of water, what is the mass of the solution?

A) 40 g B) 320 g C) 360 g D) 280 g

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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 2)

1. In tincture of iodine, what acts as the solute? Read

2. Air is primarily a homogeneous mixture of which two gases? Read

3. What is the approximate diameter of particles in a solution? Read

4. Why is the path of light not visible when passing through a solution? Read

5. Can solute particles be separated from a solution by filtration? Read

6. A solution in which no more solute can be dissolved at a given temperature is called a: Read

7. What is the amount of solute present in a saturated solution at a particular temperature called? Read

8. If a solution contains less solute than the saturation level, it is known as an: Read

9. The concentration of a solution is defined as the amount of solute present in a given amount of: Read

10. According to Example 2.1 in the text, if 40 g of common salt is in 320 g of water, what is the mass of the solution? Read