Q Which of the following are chemical changes
A. Growth of a plant
B. Rusting of iron
C. Mixing of iron fillings and sand
D. Cooking of food
E. Digestion of food
F. Freezing of water
G. Burning of candle
Answer.
| Growth of plant | Example of Chemical change |
| Rusting of iron | Example of chemical change |
| Mixing of iron fillings and sand | Example of physical change |
| Cooking of food | Example of chemical change |
| Digestion of food | Example of chemical change |
| Freezing of water | Example of physical change |
| Burning of candle | Example of chemical and physical changes |
here example of chemical changes are Growth of a plant , Rusting of iron , cooking of food, digestion of food and burning of candle.
example of physical changes are freezing of water and mixing of iron fillings and sand .
