1. Is chemical reaction and chemical change same? 2. Is physical reaction and physical change same?

1 Answer
Dec 7, 2017

Probably....

Explanation:

Chemical change is characterized by the formation of new substances and the making and breaking of strong chemical bonds. And thus chemical change necessarily involves chemical reaction.

On the other hand physical change are largely changes of physical reaction, i.e. changes of state.....in which the basic chemical unit is retained....