Question

difference between physical and chemical substances ?​

Answer 1

Explanation:

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

$\huge\bf{Answer:-}$

• 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.