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SS3: CHEMISTRY - 2ND TERM

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  1. Quality of petrol (Octane Number)| Week 1
    1 Topic
    |
    1 Quiz
  2. Natural Gas | Week 2
    3 Topics
    |
    1 Quiz
  3. Introduction to Metals | Week 3
    3 Topics
    |
    1 Quiz
  4. The Alkali Metals | Week 4
    4 Topics
    |
    1 Quiz
  5. Alkaline Earth Metals | Week 5
    3 Topics
  6. Aluminium & Tin | Week 6
    2 Topics
  7. Transition Metals of the First Series | Week 7
    4 Topics
  8. Ethical, Legal & Social Issues | Week 8
    3 Topics
  9. Fats & Oils - Soaps & Detergents | Week 9
    4 Topics
  10. Giant Molecules | Week 10
    6 Topics



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natural gas

Natural gas is a mixture of low molecular mass alkanes and other gases. It is found in the earth’s crust trapped with petroleum. Natural gas consists of 60 – 90% methane with ethane, propane, and butane present in smaller quantities. Nitrogen, carbon (IV) oxide, hydrogen sulphide, and helium are also present in smaller quantities. 

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