Question

24. Some examples of changes are given below!
a.Sawing of wood
Breaking down of ozone
c.Melting of an ice cream
d.Making biogas from cowdung
e Digestion of food
f. Baking a clay pot
Classify the above changes into
I. Irreversible physical change
II. Chemical change
III. Reversible physical change
A. I - a, f; II - b, d, e, III - C
B. I-a, b, e: II - d, f, III -
C. I-a; II - b, d, e, f: III - C
D. I - f; II -e, e; III - a, b, d

Please tell me the right answer guys

Answer 1

I don’t now this answer

Answer 2

Answer:

the right answer is option A