EASY
7th CBSE
IMPORTANT
Earn 100

Describe the process of separation of mixture of iron filings, camphor and sand.

Important Questions on Classification of Matter

MEDIUM
7th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 1 - Classification of Matter>PRACTICE QUESTIONS (CLASSROOM WING)>Q 75

Give reason for the following:

Doctors advise to put strips of wet cloth on the forehead of a person having a high temperature.

HARD
7th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 1 - Classification of Matter>PRACTICE QUESTIONS (CLASSROOM WING)>Q 75

Why is ice at 0°C more effective in cooling than the same quantity of water at 0°C?

MEDIUM
7th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 1 - Classification of Matter>PRACTICE QUESTIONS (CLASSROOM WING)>Q 76
Compare the properties of solids, liquids and gases. 
 
HARD
7th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 1 - Classification of Matter>PRACTICE QUESTIONS (CLASSROOM WING)>Q 77
Compare the physical properties of metals and non-metals?
HARD
7th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 1 - Classification of Matter>PRACTICE QUESTIONS (CLASSROOM WING)>Q 78
Explain the process of distillation with the help of a diagram.
EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 1 - Classification of Matter>PRACTICE QUESTIONS (CLASSROOM WING)>Q 78

Explain the following method of separation with a suitable example.

Filtration

EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 1 - Classification of Matter>PRACTICE QUESTIONS (CLASSROOM WING)>Q 79
Explain different processes of interconversions of states of matter.
HARD
7th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 1 - Classification of Matter>PRACTICE QUESTIONS (CLASSROOM WING)>Q 80
How will you separate the components of gunpowder?