Students are introduced to a fictional granny who's washing machine has broken down. Through the discussion of simple evidence students are made aware of hard water and the development of lime-scale.
Students design an experiment that demonstrates how acid can be used to breakdown and remove lime-scale from washing machine parts and reveals to them the products of such acid-carbonate reactions.
Students complete a range of levelled questions to consolidate their knowledge.
Students design an experiment that demonstrates how acid can be used to breakdown and remove lime-scale from washing machine parts and reveals to them the products of such acid-carbonate reactions.
Students complete a range of levelled questions to consolidate their knowledge.
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