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Making a miniature fire extinguisher, Step (5).
Heatproof glass jar, piece of card, modelling clay, sodium bic...
Place the candle in the bottom of the heatproof jar. The jar s...
Mould some modelling clay around the drinking straw, 2.5 cm fr...
Pour 5 cm of vinegar into the bottle. Pour a tablespoon of sod...
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Point the end of the straw into the mouth of the jar and relea...
Repeat the experiment using double the quantities of vinegar a...
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Fire Extinguishers

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