Classify the following change into physical and chemical changes:
Curdling of milk.
Physical change: It is a type of change in which there is no change in the substance's chemical properties and no new substance is formed.
Chemical change: It is a type of change in which there is a change in the substance's chemical properties and a new substance is formed.
Curdling of milk
Therefore, the curdling of milk is a type of chemical change.