Define supersaturated solution.

Important Questions on Is Matter Around Us Pure? (Elements, Compounds and Mixtures)

EASY

9th CBSE

IMPORTANT

Secondary Chemistry>Chapter 2 - Is Matter Around Us Pure? (Elements, Compounds and Mixtures)>Problems for Proficiency>Q 7

Define solubility of a substance and write the units in which it is expressed.

MEDIUM

9th CBSE

IMPORTANT

Secondary Chemistry>Chapter 2 - Is Matter Around Us Pure? (Elements, Compounds and Mixtures)>Problems for Proficiency>Q 8

What is the effect of temperature on the solubility of potassium nitrate in water?

HARD

9th CBSE

IMPORTANT

Secondary Chemistry>Chapter 2 - Is Matter Around Us Pure? (Elements, Compounds and Mixtures)>Problems for Proficiency>Q 9

A saturated solution of potassium chloride was prepared in water at ${30}^0\mathrm{C}$. Then it was heated up to ${40}^0\mathrm{C}$. State how the nature of the solution will change.

HARD

9th CBSE

IMPORTANT

Secondary Chemistry>Chapter 2 - Is Matter Around Us Pure? (Elements, Compounds and Mixtures)>Problems for Proficiency>Q 10

What will happen when a saturated solution of potassium nitrate in water is cooled? 

HARD

9th CBSE

IMPORTANT

Secondary Chemistry>Chapter 2 - Is Matter Around Us Pure? (Elements, Compounds and Mixtures)>Problems for Proficiency>Q 11

What is the effect of pressure on the solubility of carbon dioxide in water? Give an example of this effect. 

EASY

9th CBSE

IMPORTANT

Secondary Chemistry>Chapter 2 - Is Matter Around Us Pure? (Elements, Compounds and Mixtures)>Problems for Proficiency>Q 1

Give two examples of suspension. 

EASY

9th CBSE

IMPORTANT

Secondary Chemistry>Chapter 2 - Is Matter Around Us Pure? (Elements, Compounds and Mixtures)>Problems for Proficiency>Q 2

Write the main properties of a suspension. 

EASY

9th CBSE

IMPORTANT

Secondary Chemistry>Chapter 2 - Is Matter Around Us Pure? (Elements, Compounds and Mixtures)>Problems for Proficiency>Q 3

Give four examples of colloids.