Question

Which of the following is NOT an example of a physical change?
A) Dissolving suger in water
(B) Casting iron in molds
C) Mixing iron with copper sulphate solution (D) Magnetization of iron​

Answer 1

Answer:

Probably option C.

Explanation:

Bcoz mixing iron with copper sylphate results in chemical change.

Which is not a physical change....

Thankyou

Answer 2

(c) is the answer because

mixing of iron with copper sulphate solution produces two new substances iron sulphate solution and copper.

and as we know that in a chemical change new substances are formed and a physical change no new substances are formed so mixing of iron with copper sulphate solution can be categorised as a chemical change