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SS2: CHEMISTRY - 3RD TERM

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  1. Hydrogen and its Compounds | Week 1
    7 Topics
    |
    1 Quiz
  2. Oxygen and its Compounds | Week 2
    7 Topics
    |
    1 Quiz
  3. Halogens, Chlorine and its Compounds | Week 3
    7 Topics
    |
    1 Quiz
  4. Hydrogen Chloride and Hydrochloric Acid | Week 4
    5 Topics
    |
    1 Quiz
  5. Nitrogen and Its Compounds | Week 5
    9 Topics
    |
    1 Quiz
  6. Ammonia | Week 6
    9 Topics
    |
    1 Quiz
  7. Sulphur and its Compounds | Week 7
    13 Topics
    |
    1 Quiz
  8. Hydrocarbons | Week 8
    12 Topics
    |
    1 Quiz
  9. Alkanols | Week 9
    4 Topics
    |
    1 Quiz



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Topic Content:

  • Laboratory Preparation of Nitrogen(IV) Oxide

Nitrogen(IV) oxide, NO2, is a yellowish-brown liquid in its compressed form or reddish-brown gas. It is denser than air. It is a major atmospheric pollutant that absorbs ultraviolet radiation.

Laboratory Preparation of Nitrogen(IV) Oxide:

Nitrogen(IV) oxide is prepared in the laboratory by heating lead(II) trioxonitrate(V), Pb(NO3)2 strongly.  The Pb(NO3)2 decomposes to give nitrogen(IV) oxide, PbO, and O2.

 

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