Science A. Classify each substance. On the line, write A if it is a solution, B if it is a suspension, or C it is a colloid. 1. Colored glass 2. Soil and water 3. Salt and water 4. Vinegar and oil 5. Coffee and water B. 1. Solutions are composed of two substances. What are they? a. Sugar and solutes c. Solutes and solvents b. Sugar and sands d. Soluble and insoluble 2. Which of the following is an example of a solution? a. flour and water b. gelatin c. sugar and water d. whipped cream 3. Which of the following mixture is a suspension? a. Hot coffee b. sand and water c. iced tea juice d. Butter 4. Which colloid is used to kill insects? a. Hair cream Hair spray c. Silica gel d. Insecticide spray 5. The following are colloids except a, cheese b. pearl c. pumice stones d. steel