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used as the most common paint stripper on wooden objects.
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used in conjunction with zinc for creation of the famous "Gold pennies" experiment.
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is used in the refining of alumina containing ore (bauxite) to produce alumina (aluminium oxide) which is the raw material used to produce aluminium metal via the smelting process.
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used in soap making (cold process soap, saponification).
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Food uses of sodium hydroxide include washing or chemical peeling of fruits and vegetables
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used in the home as a drain cleaning agent for clearing clogged drains.
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used as a cleaner in breweries, where it is simply called "caustic".
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