Question

9.Which one of the following is not a chemical change ?
(1 Point)

Formation of curd

Ripening of banana

Corrosion of photo frame

Conversion of chalk stick into chalk dust​

Answer 1

Answer:

Conversion of chalk stick into chalk dust

Explanation:

like answer

Answer 2

Answer:

conversion of chalk stick into chalk dust is not a chemical change but occurs when chalk stick is physically crushed into chalk dust