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SS1: CHEMISTRY - 1ST TERM
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Introduction to Chemistry and Laboratory Apparatus | Week 15 Topics|1 Quiz
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Nature of Matter | Week 23 Topics|1 Quiz
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Separation Techniques I | Week 31 Topic
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Separation Techniques II | Week 45 Topics|1 Quiz
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Particulate Nature of Matter I | Week 56 Topics|1 Quiz
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Particulate Nature of Matter II | Week 69 Topics|1 Quiz
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Symbols, Formulae & Oxidation Number | Week 77 Topics|1 Quiz
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Laws of Chemical Combination | Week 84 Topics|1 Quiz
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Chemical Equation & Chemical Combination (Chemical Bonding) I | Week 94 Topics|1 Quiz
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Chemical Combination (Chemical Bonding) II | Week 104 Topics|1 Quiz
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Chemical Combination (Chemical Bonding) III & Shapes of Covalent Molecules | Week 113 Topics|1 Quiz
Lesson 4,
Topic 1
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Crystallization
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Topic Content:
- Meaning of Crystallization
- Re-crystallization
- Fractional 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:
- Dissolve the salt in hot water (at
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