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30-04-2024
Chemistry

Answered

Help Emma investigates the effect of different liquids on 1p coins, as shown in the table: Number of Beaker Liquid added 1p coins no liquid 1 lemonade 2 bottled water 3 salt water Why does Emma not add any liquid to beaker 1? - to provide a control for the investigation - as a place for the 1p coins to dry after the investigation - as a way to measure the volumes of the liquids - understand what happens to the 1p coins in a vacuum

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