Question

4.
2. Classify the following as a physical or a chemical
change :
(a) Drying of wet clothes
(6) Manufacture of salt from sea water.
(c) Butter getting rancid
(d) Boiling of water
(e) Burning of paper
(f) Melting of wax
(8) Burning of coal
(h) Formation of clouds
(i) Making of a sugar solution
(j) Glowing of an electric bulb
(k) Curdling of milk​

Answer 1

Answer:

physical change means a change in physical state while chemical change is the change in the chemical composition.

so physical changes-a,b,d,f,h,i

chemical changes-c,e,g,j,k

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Answer 2

A) physical change
B) chemical change
C) chemical change
D) physical change
E)chemical change
F)chemical change
G)chemical change
H)physical change
I)chemical change
J)physical change
K) chemical change
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