Soil pH and liming in Kenya
Chemistry · Grade 10 · about 40 minutes
Highland soils can be too acidic for maize. Lime raises pH; tea prefers acid soil. Over-liming is a real error.
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- 7 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
- A quiz that marks itself as you go
- Your progress kept across every subject you take
Other lessons in this sub-strand
- Acids and bases
- Reactions of acids and bases
- Acids and bases around us
- Acids produce hydrogen ions
- Bases and alkalis
- Acids and bases need water
- Physical properties of acids and bases
- Litmus as an indicator
- Methyl orange and phenolphthalein
- Universal indicator
- Plant indicators in Kenya
- Reading the pH scale
- Each pH unit is tenfold
- Measuring pH
- Strong and weak acids
- Strong and weak alkalis
- Strength is not concentration
- Acids with metals
- The squeaky pop test
- Acids with carbonates
- The lime water test
- Acids with oxides and hydroxides
- Neutralisation as ions
- Naming the salt from the acid
- Stomach acid and antacids
- Soil pH and liming in Kenya
- Magadi soda and everyday industry
- Safety and putting it together