Question

classify the changes involved in the following process as physical or chemical changes

a) Photosynthesis
b) Dissolving sugar in water
c)Burning of coal
d) Melting of wax
e) Beating aluminium to make aluminium foil
f) Digestion of good ​

Answer 1

Answer:

photosynthesis: chemical change

dissolving sugar in water: chemical change

melting of wax: physical change

beating aluminium to make aluminium foil: physical change

burning of coal: chemical change

digestion of food: chemical change