Question
(a). Define the following terms:
I. A saturated solution.
II. Crystallization.
(b)(i). Describe how copper (II) sulphate crystals can be obtained from copper (II) sulphate solution.
(ii). Give two industrial applications of crystallization as a method of separating soluble substances from their solutions.
I. A saturated solution.
II. Crystallization.
(b)(i). Describe how copper (II) sulphate crystals can be obtained from copper (II) sulphate solution.
(ii). Give two industrial applications of crystallization as a method of separating soluble substances from their solutions.
Answer
(a)(i). a saturated solution is a solution that has maximum solute and that cannot dissolve any more solute at a given temperature.
(ii). Crystallization is the process of obtaining salt crystals from a saturated solution by cooling.
(b)(i). evaporate the solution to dryness . allow the saturated solution to cool to form crystals.
(ii). Extraction of salt from salty water.
Extraction of sugar from sugar cane.
Extraction of medicinal substances from plants.
(ii). Crystallization is the process of obtaining salt crystals from a saturated solution by cooling.
(b)(i). evaporate the solution to dryness . allow the saturated solution to cool to form crystals.
(ii). Extraction of salt from salty water.
Extraction of sugar from sugar cane.
Extraction of medicinal substances from plants.
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