Question

1. Why is curd formation an irreversible change?

Answer 1

Part 1: Irreversible change:

• The changes which cannot be reversed are called irreversible changes. In this type of change, new substances are formed.
• Rusting of iron, ripening of fruits, etc. are some examples of irreversible change.

Part 2: Curd formation is an irreversible change:

• The formation of curd from milk is an irreversible change because curd cannot be converted back into milk.