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 .