MEDIUM
7th ICSE
IMPORTANT
Earn 100
During which of the following changes are new substances formed?
50% studentsanswered this correctly
Important Questions on Physical and Chemical Changes
MEDIUM
7th ICSE
IMPORTANT
EASY
7th ICSE
IMPORTANT
State if the following statement is True or False. Correct the false statement.
In chemical changes, no new substances are formed.
EASY
7th ICSE
IMPORTANT
Swinging of the pendulum of a clock is a periodic change.
MEDIUM
7th ICSE
IMPORTANT
State if the following statement is True or False. Correct the false statement.
Ripening of fruits is a fast change.
MEDIUM
7th ICSE
IMPORTANT
State if the following statement is True or False. Correct the false statement.
Glowing of the filament of a bulb is an example of a physical change.
MEDIUM
7th ICSE
IMPORTANT
During a physical change, the state and molecular composition changes.
MEDIUM
7th ICSE
IMPORTANT
Find the odd one out. Give reason for your answer.
Death and decay of plants and animals, burning of paper, high and low tides in sea, weathering of rocks
MEDIUM
7th ICSE
IMPORTANT
Find the odd one out. Give reason for your answer.
Rusting of iron, power failure, wear and tear of machines, burning of cooking gas
