18. When the solute particles mixed with water, what do they become? A. Solvent C. soluble B. Matter D. Mixture 19. How do the solute particles in a suspension behave after mixing with solvent? A. settle at the bottom/float in the water B. all particles appeared clearly C. It doesn't dissolved in solvent D. A and B 20. A suspension is a heterogeneous cloudy mixture in which solute-like particles settle out of a solvent-like phase sometime after their introduction. Do you agree? A. No C. Yes B. Not at all D. Maybe 21. What kind of mixture is suspension? A. Heterogeneous C. Gas in gas B. Homogenous D. Solid in solid 22. Some substances do not dissolve completely in solvents. The particles that do not dissolve settle down at the bottom of the container. Is this a suspension mixture? Why? A. Yes, because particles in suspension does not dissolve completely. B. No, because particles dissolve completely C. Maybe because I am not sure D. It can be, but let me try 23. Which of the following solute and solvent do not belong to suspension mixture? A. Water and sugar C. Oil and water B. Flour and water D. Oil and vinegar 24. What is a suspension mixture? A. It is liquid and clear. B. It is a mixture that do not completely dissolve and settle down at the bottom and cloudy. C. It is a mixture dissolved completely D. None of the above


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