Question

Curdling of milk is not a physical change because
a. It is a reversible change
b. It is a permanent change
c. No new products are formed
d. Component retain their properties​

Answer 1

it is a permant chang

hope it heloed yoi

Answer 2

Formation of curd from milk is an irreversible change because the product so obtained can't be changed to it's original form . Once changed into curd , we can't change it back to milk. Thus, it's an irreversible change