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SS1: CHEMISTRY - 1ST TERM

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  1. Introduction to Chemistry and Laboratory Apparatus
    5 Topics
    |
    1 Quiz
  2. Nature of Matter
    3 Topics
    |
    1 Quiz
  3. Separation Techniques I
    1 Topic
  4. Separation Techniques II
    5 Topics
    |
    1 Quiz
  5. Particulate Nature of Matter I
    6 Topics
    |
    1 Quiz
  6. Particulate Nature of Matter II
    9 Topics
    |
    1 Quiz
  7. Symbols, Formulae & Oxidation Number
    7 Topics
    |
    1 Quiz
  8. Laws of Chemical Combination
    4 Topics
    |
    1 Quiz
  9. Chemical Equation & Chemical Combination (Chemical Bonding) I
    4 Topics
    |
    1 Quiz
  10. Chemical Combination (Chemical Bonding) II
    4 Topics
    |
    1 Quiz
  11. Chemical Combination (Chemical Bonding) III & Shapes of Covalent Molecules
    3 Topics
    |
    1 Quiz
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Topic Content:

  • Meaning of Crystallization
  • Re-crystallization
  • Fractional Crystallization
crystallization

What is Crystallization?

Crystallization is the process of obtaining pure crystals of a solid from its saturated solution .

Crystallization can be used to:

  • Purify salts that contain insoluble solid impurities.
  • Separate two salts with different solubilities.

Steps in Crystallization:

  1. Dissolve the salt in hot water (at 
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