NCERT 7th Class (CBSE) Science: Chemical and Chemical Changes – Quiz
28 Multiple Choice Questions related to NCERT 7th Class (CBSE) Science: Chemical and Chemical Changes – Quiz:
- Physical Change: A physical change is a change in which no new substance is formed.
- Chemical Change: Those changes in which new substances are formed, are called chemical changes
- Crystallization: The method of separation of pure crystals of a substance from its hot and super saturated solution on cooling is called crystallization