Which of the following represents a type of change (physical or chemical) that is different from the rest?

Question

a) Setting an inflated balloon on fire
b) Stretching a balloon before blowing air into it
c) Deflating a balloon by releasing all the air present in it
d) Twisting a long balloon to change its shape to form a flower

Answer 1

c) Deflating a balloon by releasing all the air present in it