Question

differentiate between physical change and chemical change​

Answer 1

Explanation:

The key difference between physical and chemical change is that physical change merely changes the shape and size of the substance while chemical change produces altogether new substance. There are many who would be tempted to say that a change is a change and why to bother to make a distinction between physical and chemical change.

Answer 2

# physical change can reversible while chemical change cannot.

#In physical change no new substances are formed while new substances are formed and produced with chemical change.

#it doesn't need much heat while chemical change most time needs heat etc.