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GR 9 NS ATP

Follow the lessons in the correct order or according to date:

1. Chemical equations: representing and balancing (08 April – 12 April)
2. General reaction of metals with oxygen: Iron and magnesium 15 April – 18 April
3. Gr 9 Formation of rust, prevention of rust (23 April – 26 April)
4. General reaction of nonmetals with oxygen: Carbon and Sulphur / Concept of pH value Neutralisation and pH (06 May -17 May)
5. General reaction between an acid and a metal oxide, metal hydroxide, metal carbonate