Why do we classify the melting of ice as a physical change?
During the melting of ice, no new substance is formed and only change in the physical state occurs so it is a physical change.
Classify these changes into physical and chemical changes. [5 MARKS]
Classify the following as physical or chemical changes:
(i) Cooking of food (ii) Boiling of water
(iii) Cutting of trees (iv) Dissolving salt in water
(v) Digestion of food (vi) Melting of ice
Why do we classify curdling of milk as slow change?