Question

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 plants
(m) The condensation of water vapour (n) The digestion of food
(o) The boiling of an egg
(p) The growth of a plant​

Answer 1

Answer:

a . physical change

b. chemical

c. chemical

d. chemical

e. physical

f . chemical

g . chemical

h . chemical

i. physical

j . physical

k. chemical

l . chemical

m. physical

n. chemical

o. chemical

p. chrmical