Question

how would you show that setting of curd is a chemical change please give it is urgent?

Answer 1

Heyaa!

Here's the answer ☺️

Once the curd is formed, milk cannot be re-obtained from it. Also, both milk and curd have different properties. Since these are the properties of a chemical change, setting of curd is a chemical change.
_____

Answer 2

we can see that the setting of curd is done by two methods first : leaving it out in atmosphere instead of storing it in fridge because of this the bacteria acts chemically on the milk. And second one : by squeezing lemon in milk in this the citric acid will make the milk into curd chemically.......
Hope u understood me