Question

Which of the following is not a physical change

Curdling of Milk

Glowing of bulb

Melting of ice

Dissolving sugar in a water​

Answer 1

Answer:

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Curding of milk is a chemical Change.

Answer 2

Answer: curdling of milk is correct answer

because when curd is formed from milk ,milk loss its properties and new thing( curd ) is formed . the change is permanent in nature as milk cannot be formed from curd now that's why curdling of milk is a chemical change