MEDIUM
7th ICSE
IMPORTANT
Earn 100

Classify the following into solid, liquid and gas:

Coal, kerosene, wood, oxygen, sugar, blood, water vapour, milk, wax.

Important Questions on Matter and Its Composition

EASY
7th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 7>Chapter 1 - Matter and Its Composition>EXERCISE>Q 1
Define matter.
MEDIUM
7th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 7>Chapter 1 - Matter and Its Composition>EXERCISE>Q 2
What is the differences between mass and weight.
MEDIUM
7th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 7>Chapter 1 - Matter and Its Composition>EXERCISE>Q 3
If an object weighs 6 N on earth what will be its weight on the moon? What will be the change in its mass? 
HARD
7th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 7>Chapter 1 - Matter and Its Composition>EXERCISE>Q 4

Write your observation and conclusion for the following:

When a few marbles are put in a glass half-filled with water.

MEDIUM
7th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 7>Chapter 1 - Matter and Its Composition>EXERCISE>Q 4

Write your observation and conclusion for the following:

Ice is kept at room temperature.

MEDIUM
7th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 7>Chapter 1 - Matter and Its Composition>EXERCISE>Q 5
State three main characteristics of the particles of matter.
MEDIUM
7th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 7>Chapter 1 - Matter and Its Composition>EXERCISE>Q 6
Differentiate between an atom and a molecule.
MEDIUM
7th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 7>Chapter 1 - Matter and Its Composition>EXERCISE>Q 7
Define solid? Give two examples?