Question

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

Answer 1

Answer:

Milk can be converted into curd. Once the curd has been formed it cannot be converted back to milk. Thus, setting of curd is irreversible and chemical change.

Answer 2

Explanation:

Setting of curd is a chemical change because a new substance(lactic acid) is formed. The curd formed has a different taste than the original substance. Also, once the curd is formed, milk cannot be re-obtained from it.