Question

Long Answer Type Questions:
Bring out some differences between a physical and a chemical change.
1.
mo
tance of allowing​

Answer 1

Answer:

Physical changes are changes in the physical properties of substances. No new substances are formed in these changes. These changes may be reversible. In chemical changes new substances are produced.

Answer 2

Answer:

physical change is temporary change.

chemical change is permanent change .

physical change can be reversed.

chemical change can not be reversed .

ex. of physical change are: boiling of water

ex. of chemical change are: digestion of food.