Question

To make a clay pot, a potter does the following.
i. He mixes the dry clay well with water.
ii. He takes a lump of wet clay and shapes it into a pot.
iii. He dries the pot in the sun for a day.
iv. The pot is baked in a special oven.
Which of these steps is an irreversible change?
1) only step i
2) only steps i and ii
3 )only steps iii and iv
4 )only step iv​

Answer 1

Hello mate..

Here Is Your Answer:

Option 3 is correct.

Reason: After drying clay it cannot be turn back into clay. It will be hard and broke.

HOPE THIS HELPS YOU..