1. 香港中學文憑考試(HKDSE)
http://www.hkeaa.edu.hk/en/hkdse/hkdse_subj.html?A2&2&7(香港考試及評核局化學科)
2. 教育局化學科資源
http://www.edb.gov.hk/tc/curriculum-development/kla/science-edu/ref-and-resources/chemistry.html
3. Earth and Microscopic World (地球和微觀世界)

 
4. Metals (金屬)
Noble Metals (S4-S6)*
http://www.youtube.com/watch?v=Fg2WzCzKpYU
http://en.wikipedia.org/wiki/Metal
 
3. Acids and Alkali (酸鹼)

  • Acids and alkalis

http://www.bbc.co.uk/schools/gcsebitesize/science/add_gateway_pre_2011/chemical/acidsrev1.shtml
 
4. Chemicals cells and electrolysis (化學電池和電解)

  • Chemical cell

http://hyperphysics.phy-astr.gsu.edu/hbase/chemical/electrochem.html
Writing redox equations
http://www.wfu.edu/~ylwong/redox/
 
5. Important Industrial Products (重要工業產品)

 
6. Fossil Fuels and Hydrocarbons (化石燃料及碳氫化合物)

Fossil Fuels
http://en.wikipedia.org/wiki/Fossil_fuel
7. Plastics and Detergents (塑膠和洗潔精)

http://chemistry.about.com/od/howthingswork/f/detergentfaq.htm
http://en.wikipedia.org/wiki/Detergent
 
8. Detection and Analysis (偵察與分析)

  • Analytical methods

Compthttp://en.wikipedia.org/wiki/List_of_chemical_analysis_methods
 
9. General

 
Web-sites for S5- S6
1. Physical Chemistry

2. Organic Chemistry

 
3. Inorganic Chemistry

 
4. Chemistry and Society

 
5. General