Question

Curly a milk is a physical change

Answer 1

We saw in the entire process that the reaction between lactic acid and milk involved breaking of bonds and forming of new bonds. Therefore, there is a chemical change associated with it and hence this change is a chemical change. Hence, curdling milk is a chemical change.

Answer 2

Answer:

Here is. your answer

Explanation:

Because when curd is formed from the milk, milk loses its properties and new thing ( curd) is formed.Thechange is permanent in nature as milk cannot be formed from curd.

That's why curdling of milk is a chemical change.