Question

The difference between a physical reaction and a chemical reaction is :

• A. composotion
• B. size
• C. shape
• D. all of above

Answer 1

Answer: (A)

composotion

The difference between a physical reaction and a chemical reaction is composition. In a chemical reaction, there is a change in the composition of the substances. In a physical change, there is a difference in the appearance, smell, or simple display of a sample of matter without a change in composition.