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SS1: CHEMISTRY - 1ST TERM

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  1. Introduction to Chemistry and Laboratory Apparatus | Week 1
    5Topics
    |
    1 Quiz
  2. Nature of Matter | Week 2
    3Topics
    |
    1 Quiz
  3. Separation Techniques I | Week 3
    1Topic
    |
    1 Quiz
  4. Separation Techniques II | Week 4
    5Topics
    |
    1 Quiz
  5. Particulate Nature of Matter I | Week 5
    5Topics
    |
    1 Quiz
  6. Particulate Nature of Matter II | Week 6
    9Topics
    |
    1 Quiz
  7. Symbols, Formulae & Oxidation Number | Week 7
    7Topics
    |
    1 Quiz
  8. Laws of Chemical Combination | Week 8
    4Topics
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    1 Quiz
  9. Chemical Equation & Chemical Combination (Chemical Bonding) I | Week 9
    4Topics
    |
    1 Quiz
  10. Chemical Combination (Chemical Bonding) II | Week 10
    4Topics
    |
    1 Quiz
  11. Chemical Combination (Chemical Bonding) III & Shapes of Covalent Molecules | Week 11
    3Topics
    |
    1 Quiz
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Chemical products have negative or adverse effects on our daily life 

The Adverse Effects of Chemistry include

1. Drug Abuse: Many drugs like cocaine, morphine, heroin, etc; when abused (wrongly used) can cause damage to the body.

2. Pollution: One of the main adverse effects of chemical industries is the pollution of the environment by:

  • Chemical wastes from chemical and petro-chemical industries.
  • Crude oil spillage, exhaust from motor vehicles.
  • Plastic containers – They are not biodegradable (not decomposed by bacteria) thereby causing soil pollution.

3. Corrosion: Corrosion or rusting of iron occurs when the iron is exposed to water or oxygen. When iron or steel is exposed to the atmosphere, they rust. These objects can either be protected or replaced. Many countries have imposed strict laws to control pollution and drug abuse.

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