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5 Written questions

5 Matching questions

  1. Molecular Mass
  2. Hydrophilic
  3. pH
  4. Colloid
  5. Aqueous Solution
  1. a A stable suspension of fine particles in a liquid
  2. b The negative logarithm of the hydrogen ion concentration
  3. c A solution in which water is the solvent
  4. d Water-loving
  5. e The total mass of all the atoms in a given moleculs

5 Multiple choice questions

  1. A molecule whose opposite ends posses opposite charges
  2. The amount of heat that must must be absorbed or lost by a substance in order to change its temperature by 1ÂșC.
  3. The quantity of heat that 1g of a liquid must absorb in order to be converted from to a gaseous state.
  4. A substance that reduces the hydrogen ion concentration of a solution (H+ Acceptor)
  5. Water-fearing

5 True/False questions

  1. BufferA substance that minimizes changes in the concentrations of H+ and OH- in a solution.

          

  2. HeatA measure of the total amount of kinetic energy- due to molecular motion- in a body of matter.

          

  3. CohesionThe clinging of a substance to another; caused by hydrogen bonding

          

  4. SoluteThe substance that is dissolved in a solution

          

  5. Evaporation/VaporizationThe transformation from a liquid to a gas

          

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