Question

How would you show that the setting of curd is a chemical change?

Answer 1

• Chemical Change
• A chemical change is one in which the chemical properties of a substance change.
  In a chemical change, there is either the formation or breaking of atomic bonds at the molecular level.
  A chemical change is irreversible.
  The setting of curd is a Chemical Change
• The setting of curd is a chemical change.
  In the setting of curd, there is the formation of a new substance, lactic acid from the lactose present in milk.
  The curd that results after the chemical change has a different flavor from the original substance of milk.
  Once there is the formation of curd, milk cannot be extracted from it.
  It’s a change that can’t be reversed.
  Hence, the Setting of curd is a chemical change.