Answer the following question:
Answer variants:
The changes are mostly temporary
The changes are mostly irreversible
Burning of coal
The change accompanied with evolution of gas, change in colour, and change in temperature
The changes are involved in the form such as size and shape.
Freezing of water
 
Differentiate physical and chemical change. 
 
i. Physical change 
 
 
 
Example:
 
ii. Chemical change
 
 
 
Example: