6. If you can easily see the different parts that make up a misture, you know that it is a mixture? a. homogeneous C. suspension b. plasma d. heterogeneous 7. Which statement is true about a heterogeneous mixture? a. A heterogeneous mixture has a uniform composition b. The phases or substances of a heterogeneous mixure are all visible c.The individual component of a heterogeneous mixture is not recognizable d. All of the above. 8. A student place a solid broth cube in a glass of water. As he watches, the broth cube just goes to the bottom of the glass and sits there. When he returns to the class the next day, the broth cube is there. What can he infer in that experiment? a. Not all solutes dissolve in solvent b. All solutes dissolve in solvent c. Not all solvent dissolves in solute d. All solvent dissolves in sol 9. What happens to things like sugar and salt when we mix them with water? a. They become a partial solution b. They disappear c. They dissolve so that they become too small to be seen d. They become solid 10. Which statement best describes colloid? a. Have molecules that are big enough to settle at the bottom b. Mixtures of two or more substances than can be easily separated C. Formed by mixing different kinds of solutions d. Composed of molecules bigger than a solution but smaller than a suspension 11. Which colloid has both protective and decorative function? a.Ink b.paint c.insecticides d.cream 12. Which of the following materials DOES NOT BELONG to the group? a. salt and pepper C. mayonnaise b. coins and pins d. cereals with milk 13. Which list shows mixtures in which the particles dispersed in water are increasing in size? a. colloid, solution, suspension c. solution, colloid, suspension b. solution, suspension, colloid d. suspension, colloid, solution
