Examples of chemical changes would be burning, cooking, rusting, and rotting. Examples of physical changes could be boiling, melting, freezing, and shredding. Most physical changes can be reversed if sufficient energy is provided. A chemical change can only be reversed through another chemical reaction.

What is difference between physical change and chemical change?

Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes: Chemical changes cause a substance to change into an entirely substance with a new chemical formula.

What are 3 differences between physical and chemical change?

Examples of chemical changes are burning, cooking, rusting, and rotting. Examples of physical changes are boiling, melting, freezing, and shredding. Many physical changes are reversible if sufficient energy is supplied. The only way to reverse a chemical change is via another chemical reaction.