Question

. Fill in the blanks:

1. A change in shape, size and colour of a substance is a ____________change.


2. Chemical changes occur due to____________ atoms.

3. ____________changes are generally permanent.

4. Iron objects with a coating of a thin layer of ____________do not rust.​

Answer 1

ANSWERs

1. Physical change
2. Rearrangement of
3. Chemical change
4. Copper

Mark as b. list