Question

A potter working on his wheel shaped a lump of clay into a pot. He then baked the pot in

an oven. Identify the above two changes as chemical or physical changes.​

Answer 1

A potter working on his wheel shaped a lump of clay into a pot . He then baked the pot in an oven .

Changes observed :—

1. Change in shape of the clay lump into a pot
2. Baking of the clay

Classification of change 1 :—

It is a change in the shape of the object i.e. a change in the physical property . Hence , change 1 is a physical change .

Classification of change 2 :—

It is a change in the atomic structure of the object i.e. a change in the chemical property . Hence , change 2 is a chemical change .