Answers

2016-04-28T18:54:55+05:30
The melting of butter is a physical change as when the butter starts to cool down it comes back to its original form. Maybe its shape is changed but the properties and form is the same.
0
2016-04-28T18:55:57+05:30
It is a physical change as no new substance is produced and its property did not change. only its shape has changed
0