Question

1.Can we reverse the following change? If yes, suggest the name of the method.

(d) Curd into milk.

Answer 1

• A change which can be reversed or can get back to its original state is called a reversible change.
• Milk is converted to curd by fermentation process by souring the milk.
• Curd cannot be converted back to milk because it is an irreversible change.
• Hence, this change cannot be reversed.