Question

1. In which of the following the identity of initial substance remains unchanged ?
a. Curdling of milk
b. Formation of crystals by process of crystallisation
c. Fermentation of grapes
d. Digestion of food
​

Answer 1

Answer:

option b is correct

hope it helps

Answer 2

Answer:

the corrrct answer is formation of crystal by crystalisation proccess mark my answer as brainly answer