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  1. Which of the following is a colligative property? a) Viscosity b) Surface tension c) Osmotic pressure d) Density 2. The solubility of a gas in a liquid increases with: a) Decrease in pressure and increase in temperature b) Increase in pressure and decrease in temperature c) Increase in pressure and increase in temperature d) Decrease in pressure and temperature 3. The molarity of a solution is defined as: a) Moles of solute per liter of solution b) Moles of solute per kg of solvent c) Grams of solute per liter of solution d) Grams of solute per kg of solvent 4. Raoult’s law states that: a) The partial vapor pressure of a component is directly proportional to its mole fraction in the solution. b) The boiling point of a solution is inversely proportional to its molality. c) The freezing point of a solution is directly proportional to its molarity. d) The osmotic pressure is directly proportional to the molecular weight of the solute. 5. A solution containing 1 mole of non-volati...