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Chapter 23: Solutions Quiz

Chapter 23: Solutions Quiz. Chuck Higy. 1. When water dissolves sugar, the positive ends of the water molecules are attracted to the negative ends of the sugar molecules. True False. 2. The dissolving process for solid solutions occurs in a solid state. True False.

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Chapter 23: Solutions Quiz

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  1. Chapter 23: Solutions Quiz Chuck Higy

  2. 1. When water dissolves sugar, the positive ends of the water molecules are attracted to the negative ends of the sugar molecules. • True • False

  3. 2. The dissolving process for solid solutions occurs in a solid state. • True • False

  4. 3. Salad oil dissolves readily in vinegar. • True • False

  5. 4. Oil-based paints, nail polish, and iodine are examples of polar solutes. • True • False

  6. 5. Water can be used to dissolve nonpolar molecules. • True • False

  7. 6. A substance that does NOT conduct an electric current when it forms a solution is a(n) ____. • Electrolyte • Nonelectrolyte • Liquid • Solid

  8. 7. A solution that contains all of the solute it can hold at a given temperature is ____. • Diluted • Supersaturated • Unsaturated • Saturated

  9. 8. Adding more solute to a solvent ____. • Decreases boiling point • Affects nothing • Increases freezing point • Increases boiling point

  10. 9. A molecule that is positively charged on one end and negatively charged on the other end is ____. • A hydrocarbon • Nonpolar • Polar • Radioactive

  11. 10. Which of the following combinations would increase the solubility of a gas in a liquid? • Decrease pressure & decrease temperature • Increase pressure & increase temperature • Decrease pressure & increase temperature • Increase pressure & decrease temperature

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