Which of these changes would be classified as producing a chemical change a. freezing water b. mixing salt and water to make a solution c. heating cooking oil d. mixing a acid and a base to make a salt

Which liquid (h2o, h2o + soap, or h2o + salt) has the strongest cohesion and adhesion? (need now plz)

Rays from the sun are not considered matter true or false

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car