Physical and Chemical Changes — Question 2
Back to all questionsQuestion 2
Classify the following as a physical or a chemical change:
(a) Drying of wet clothes.
(b) Manufacture of salt from sea water.
(c) Butter getting rancid.
(d) Boiling of water
(e) Burning of paper
(f) Melting of wax
(g) Burning of coal
(h) Formation of clouds
(i) Making of a sugar solution
(j) Glowing of an electric bulb
(k) Curdling of milk
(l) Rusting of iron
(m) Roasting of potatoes
(n) Formation of alloys
(a) Drying of wet clothes — Physical change
(b) Manufacture of salt from sea water — Physical change
(c) Butter getting rancid — Chemical change
(d) Boiling of water — Physical change
(e) Burning of paper — Chemical change
(f) Melting of wax — Physical change
(g) Burning of coal — Chemical change
(h) Formation of clouds — Physical change
(i) Making of a sugar solution — Physical change
(j) Glowing of an electric bulb — Physical change
(k) Curdling of milk — Chemical change
(l) Rusting of iron — Chemical change
(m) Roasting of potatoes — Chemical change
(n) Formation of alloys — Physical change