Question

give a reason for curdling of milk can be both desirable and undesirable change.​

Answer 1

Answer:

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.

Answer 2

Explanation:

Once changed into curd , wecan't change it back to milk. Thus, it's an irreversible change. It is a desirable process as it is amilk product it very important for the supplement of calcium which is required by bones and for many reactions. It provides good bacteria and assists in digestion.