Bases on the farm and on a sting
General Science · Grade 10 · about 40 minutes
Lime and wood ash raise soil pH so crops can feed; the first-aid rule is acid sting with a base, alkali sting with a weak acid.
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Other lessons in this sub-strand
- Acids, bases and what they do
- Salts: types, behaviour and uses
- Indicators from the lab and from the market
- Strong, weak, concentrated and dilute
- Acids in digestion, blood and teeth
- Bases on the farm and on a sting
- Neutralisation in the lab: salt plus water
- Acid with carbonates and with metals
- Naming salts and the types of salt
- Making copper sulphate crystals
- Precipitation of insoluble salts
- Salts in air, in Kenya and in the environment