Choose the letter of the best answer. Write the chosen letter on a separate sheet of paper. 1. Which of these statements correctly describes a mixture? A mixture is ____ A. composed of different substances. B. made up of different elements and compounds. C. a combination of two or more substances that are chemically combined. D. consists of two or more substances that are physically combined. 2. Which of these is a mixture? A. Sugar C. Carbon dioxide B. Water D. Air 3. Which of the following is NOT a mixture? A. Antibiotic C. Brewed coffee B. Evaporated milk D. Hydrogen chloride 4. Which of these is a homogeneous mixture? A. Air B. Blood C. Clouds D. Smog 5. Which of these do not belong to the group? A. Cornstarch B. Flour C. Sugar D. Water 6. You mix the oil and water. Which statement best describes heterogeneous mixture? A. The mixture is completely mixed. B. You cannot see the oil in the mixture. C. The liquids did not mix but formed two layers. D. The mixture became a solution. 7. Which is NOT a heterogeneous mixture?A. Fruit Salad C. Marbles and Pebbles B. Pencils and Pens D. Vinegar 8. Why is a freshly squeezed orange juice called heterogeneous mixture? A. No change can be observed. B. The components were completely dissolved. C. The components cannot be separated completely. D. The pulp component floats in a juice component. 9. Which is the example of heterogeneous mixture? A. Halo-halo C. Sugar solution B. Seawater D. Pineapple juice 10. Rubbing alcohol is a solution. What is the solute in rubbing alcohol? A. Alcohol B. Water C. Water vapour D. Alcohol vapor 11. Which is the universal solvent? A. Gas B. Oil C. Alcohol D. Water 12. In a solution, what substance dissolves? A. Emulsion C. Solution B. Solute D. Solvent 13. Colloids are heterogeneous mixtures. Which of these mixtures is not a colloid? A. Soft drink B. Shampoo C. Mayonnaise D. Shaving cream 14. What is the phenomenon in particles in a colloid scatter the beams of light that are directed at them? A. Tyndall Effect C. Concentrated B. Dispersion D. Absorption 15. In construction sites, sand is mixed with cement and water to produce concrete. What kind of mixture is concrete? A. Solution B. Colloid C. Suspension D. Emulsion 16. What is formed when two or more substances are combined? A. Pure Substance B. Mixture C. Matter D. Solid Matter 17. What mixture has a uniform composition and exist in single form? A. Homogeneous Mixture C. Matter B. Heterogeneous Mixture D. Pure Substance​