Conversion of milk into curd Is______?

The correct option is B

A chemical change

Explanation for the correct Option:

Option(B): A chemical change

• A chemical change is known as a process when a substance combines with another to form a new substance and these are mostly irreversible changes.
• Here, in this case, the milk converts into curd, where a new substance is formed and this process is irreversible.
• Hence the process of conversion of milk into curd is a chemical change.

Explanation for the incorrect Option:

Option(A): A physical change

• The process of conversion of milk into curd is not a physical change.
• Hence, the given option does not represent the correct concept.

Option(C): A physical property of milk

• Converting milk into curd is not considered as a physical property of milk.
• Thus the given option does not coincide with the correct concept.

Option(D): A chemical property of milk

• The process of conversion of milk into curd is not a chemical property of milk.
• Hence, the given Option is an incorrect one.

Hence, the Conversion of milk into curd Is a chemical change.