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6 Written questions

5 Multiple choice questions

  1. The dissolving medium (water dissolving sugar)
  2. conducts electricity poorly because only a fraction of the solute in the solution exists as ions (ammonia, Mercury (ii) Cloride)
  3. The dissolved particles (sugar that is being dissolved in water)
  4. a compound that contains water of hydreation ( contained with crystals)
  5. water that contains dissolved substances

5 True/False questions

  1. Surface tensionThe inward force, or pulltha tend to minimize the surface area of a liquid is called ___

          

  2. strong electrolytea compound that does not conduct an electric current in either aqueous solution or the molten state. (Molecular compounds such as Sugar, Alchol)

          

  3. emulsiona colloidal dispersion of a liquid into a liquid ( maintain stablity of colloidal mixtures)

          

  4. Brownian motionThe chaotic movement of colloidal particles caused by collisions of the molecules of the dispersion medium with the small, dispersed colloidal particles.

          

  5. solvationThe process by which the positive and negative ions of an ionic solid become surrounded by solvent molecules

          

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