Question

Boiling of milk is a physical change while curdling of milk is chemical change

Answer 1

Boiling milk does not change its chemical components. It only kills the bacteria bad increases the temperature whereas in the process of converting milk in to curd, it's chemical componentsalso change asked well as the structure and taste too changes because of growing bacteria that changes milk into curd called Lactobacillus.

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Answer 2

Answer:

Explanation:

curdling milk is a chemical change. ... Curd once formed from the milk cannot be converted back into the milk and hence this is an irreversible process. Therefore, it is a chemical change.