15. Which of the following is a common use ona A. Fermenting banana C. Etching metals B. As a vitamin in your food D. Making soars and detergents A. bread 16. Which of these is a pure substance? B. table salt C. garden soil _17. What is the simplest form that cannot be broken down to anything simpler? B. solution C. compound D. sea water A element D. colloids D. air A. oil and water C. sand and water D. suspension C. solution D. Water 18. Which of the following is a homogeneous mixture? B. halo-halo 19. This type of mixture contains two or more substances that are visibly distinguishable A. homogeneous B. heterogeneous 20. Which of the substances is an example of solution? A. Brass B. Coca-cola C. Mercury 21. A solution is made by dissolving some salt in a beaker of water. What type of material is the salt? D. Solvent A Filtrate B. Solute 22. Which of the following terms refers to a solution that contains the maximum quantity of salute at a given temperature? A. Aqueous solution B. saturated solution C. Super Saturated solution D. Unsaturated solution 23. The label of the 200 mL rubbing alcohol that Mrs. Herrera bought shows that it contains 40% ethyl alcohol. What is the volume of ethyl alcohol does the rubbing alcohol contain? 20 ml B. 40mL C. 60mL D. 80mL C. Solutions 24. A one peso coin has a mass of 5.4 grams. How many grams of copper are in one peso coin containing 75% copper by mass? a A. 2.0 grams B. 4.0 grams C. 8.0 grams D. 10 grams 25. A 20 cm of alcohol is mixed with 80 cm' of water. What is the volume percent of alcohol in a 3 solution? A 20% B. 40% C. 60% D. 80%​