← 2.1 Acids and bases

The lime water test

Chemistry · Grade 10 · about 40 minutes

Carbon dioxide turns lime water milky as calcium carbonate precipitates. Excess CO2 then clears the milkiness.

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  • 6 sections of explanation, worked examples and diagrams
  • 1 practice task with hints and worked answers
  • A quiz that marks itself as you go
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