Question

Chemical changes
Physical changes
​

Answer 1

Answer:

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

 Chemical changes are also known as chemical reactions

Answer 2

⭐ CHEMICAL CHANGE :

A most likely clue to a chemical changeoccurs when the process produces a gas, light, smell, a fire or heat, or a color .

✨breaking of chocolate molecules into simpler molecules, etc.).

⭐ PHYSICAL CHANGE :

A physical change is a change in which no new substances are formed. Physical changes affect the form of a chemical substance, but not its chemical composition

✨example is eating chocolate, which is both a physical change