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6 Written Questions

5 Multiple Choice Questions

  1. The inward force, or pulltha tend to minimize the surface area of a liquid is called ___
  2. conducts electricity poorly because only a fraction of the solute in the solution exists as ions (ammonia, Mercury (ii) Cloride)
  3. The chaotic movement of colloidal particles caused by collisions of the molecules of the dispersion medium with the small, dispersed colloidal particles.
  4. The dissolving medium (water dissolving sugar)
  5. a compound that contains water of hydreation ( contained with crystals)

5 True/False Questions

  1. SurfactantThe dissolving medium (water dissolving sugar)

          

  2. soluteThe dissolving medium (water dissolving sugar)

          

  3. suspensiona mixture from which partilces settle out ipon standing

          

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

          

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

          

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