6. Classify the following into physical and chemical changes.
(a) The melting of ice
(b) Rusting
(c) The cooking of food
(d) Fermentation
(e) The evaporation of a liquid
(f) The sublimation of iodine
(g) The dissolution of a solid
(h) The burning of coal
(i) The glowing of a bulb
(j) The freezing of water
(k) The curdling of milk
(1) Photosynthesis in green plant
(m) The condensation of water vapour
(n) The digestion of food
(o) The boiling of an egg
(p) The growth of a plant
Answers
The melting of ice : Physical Change
Rusting : Chemical Change
Cooking of food : Chemical Change
Fermentation : Chemical Change
Evaporation of a liquid : Physical Change
Sublimation of iodine Physical Change
Dissolution of liquid : Physical Change
Burning of Coal : Chemical Change
Glowing of bulb : Chemical Change
Freezing of water : Physical Change
Curdling of milk : Chemical Change
Photosynthesis in green plant : Chemical Change
Condensation of water vapour : Physical Change
Digestion of food : Chemical Change
Boiling of egg : Chemical Change
Growth of plant : Chemical Change
That was a long one btw...
Answer:The melting of ice : Physical Change
Rusting : Chemical Change
Cooking of food : Chemical Change
Fermentation : Chemical Change
Evaporation of a liquid : Physical Change
Sublimation of iodine Physical Change
Dissolution of liquid : Physical Change
Burning of Coal : Chemical Change
Glowing of bulb : Chemical Change
Freezing of water : Physical Change
Curdling of milk : Chemical Change
Photosynthesis in green plant : Chemical Change
Condensation of water vapour : Physical Change
Digestion of food : Chemical Change
Boiling of egg : Chemical Chang
Chemical Change
Explanation: