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6 Written questions

5 Multiple choice questions

  1. The process by which the positive and negative ions of an ionic solid become surrounded by solvent molecules
  2. a compound that contains water of hydreation ( contained with crystals)
  3. a compound that conducts an electric rurent when it is in anaqueuous solution or in the molten state. (Ionic compounds are _______)
  4. a compound that does not conduct an electric current in either aqueous solution or the molten state. (Molecular compounds such as Sugar, Alchol)
  5. water that contains dissolved substances

5 True/False questions

  1. suspensiona colloidal dispersion of a liquid into a liquid ( maintain stablity of colloidal mixtures)

          

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

          

  3. emulsiona heterogeneous micture containing particles that rang in size from 1nm to 1000nm ( smaller than those in suspensions and large than thos in solutions)

          

  4. Surfactantany substance that interferes with the hydrogen bonding between water molecules and thereby reduces surface tension

          

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

          

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