4. Which of the following is an example of a homogeneous mixture? A. gravel and soil C. nail and magnet B. iron fillings and sand D. salt solution 5. When do we say that a mixture is heterogeneous? A. The particles are evenly distributed. B. The components cannot be identified. C. The components are easily identified. D. The particles are completely dissolved in other substance. 6. How do you define solvent? A. It is a solid substance which can be soluble. B. It is a liquid substance which dissolves solid substances. C. It is the combination of two or more substances. D. It is the liquid substance that do not mix with another liquid. 7. Which is an example of solution? A. alcohol B. salt C. halo-halo D. sugar 8. A homogeneous mixture that contains different components but their pa It is