Question

Boojho Is Writing Some Sentences. Choose The Incorrect One And Help Him: *
2 points
1) Rusting of iron, photosynthesis and digestion of food are examples of chemical change.

2) In order to protect iron from rusting a coating of zinc is deposited on its surface.

3) Some substance cannot be obtained in pure state from their solution by crystallization.
4) None of the above.​

Answer 1

Answer:

l is the ans...............

Answer 2

Answer:

Answer - 3 is the correct answer