Question

Which of these will cause a chemical change to occur?
(A) Grinding of wheat into flour
(B) Lighting of a gas stove
(C) Evaporating of water from a lake
(D) Ringing of an electric bell​

Answer 1

Answer:

c)Evaporating of water from a lake

Answer 2

${\large{\pink{{\blue{\underline{\purple{\textbf{☆Ans~♥~}}}}}}}}~$

b) lighting of a gas stove

When gas burns it usually combines with oxygen to give carbon dioxide, water etc. along with release of energy. By definition, it is a chemical change.