Question

Identify the physical and chemical changes in the following events.

i. Photosynthesis. ii. Dissolving sugar in water.

iii. Digestion of food. iv. Sharpening a knife.

v. Evaporation. vi. Burning a piece of coal KO​

Answer 1

Explanation:

chemical change

physical change

chemical change

physical change

chemical change

chemical change

Answer 2

Answer:

Here is your answer

Explanation:

i) Photosynthesis- Chemical Change

ii) Dissolving sugar in water- Physical Change

iii) Digestion of food- Chemical Change

iv) Sharpening a knife- Physical Change

v) Evaporation- Chemical Change

vi) Burning a piece of coal KO​- Chemical Change

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