Question

which of the following changes cannot be reserved ?
a) Blowing of balloon
B) Folding a paper to make a toy aeroplane
c) Rolling a ball of dough to make roti
d) Baking cake in an oven
e) Drying a wet cloth
f) Making biogas from cow dung
g) Burning of candle

Answer 1

a) Can Be Reversed

b) Can Be Reversed

c) Can Be Reversed

d) Can Not Be Reversed

e) Can Be Reversed

f) Can Not Be Reversed

g) Can Not Be Reversed

Answer 2

a), b), c), e) can reversed
d), f), g) cannot be reversed