* Physical Changes: These changes alter the form or appearance of a substance but don't change its chemical composition.
* Dissolving salt in water is a physical change. The salt molecules are simply dispersing throughout the water, not forming new substances.
* You could evaporate the water and recover the salt, demonstrating that no new chemical bonds were formed.
* Chemical Changes: These changes involve the formation of new substances with different properties.
* No new substances are formed when salt dissolves in water.
In summary: While the salt water solution might feel different than just water or salt alone, it's still just a mixture of salt and water, making it a physical change.
