Question

Which of these is not a physical change?
(a) stretching a rubber band
(b) melting of butter
(c) burning of a piece of coal
(d) changing of water into water vapour​

Answer 1

Answer:

b) burning of a piece of coal

Answer 2

$\huge \underline \mathbb \orange {ANSWER}$

$\huge \bold \green {Option :- C}$