Mind Map
Physical and chemical change of Class 7
- Introduction
- Physical Changes
- Chemical Change
- Chemical Equations
- Change Of Physical State
- Difference between Physical and Chemical Changes
- Effervescence
- Change Of Colour
- Formation Of Precipitate
- Crystallisation
- Rusting of Iron
- Energy Changes
- Galvanisation
- Mind Map
- solved questions
- Exercise-1
- Exercise-2
- Exercise-3
