Question

Please guys give me answer

Answer 1

In the setting of curd, milk changes into new substance, curd. Formation of new substance and irreversible process shows that setting of curd is a chemical change. 

Answer 2

Hello mate

Setting curd is a chemical change because it is :

1. Irreversible process
2. Lactobacillus bacteria carry out reaction
3. Milk changes to new substance

Hope this answer helps you.

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