Classify the following as a physical or a chemical change.(a) Drying o

1.	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
Answer» Physical change (a) Drying of wet clothes (b) Manufacture of salt from seawater (d) Boiling of water (f) Melting of wax (h) Formation of clouds (i) Making of a sugar solution (j) Glowing of an electric bulb. Chemical change (c) Butter getting rancid (e) Burning of paper (g) Burning of coal (k) Curdling of milk

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

Answer»

Physical change

(a) Drying of wet clothes

(b) Manufacture of salt from seawater

(d) Boiling of water

(f) Melting of wax

(h) Formation of clouds

(i) Making of a sugar solution

(j) Glowing of an electric bulb.

Chemical change

(e) Burning of paper

(g) Burning of coal

(k) Curdling of milk