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[Music] today will we be talking about the different uses and purposes of common wash bottles and a standard chem lab wash bottles are squeeze bottles with the nozzle that are used to rinse various pieces of laboratory glassware such as test tubes and round bottom flasks they can also be used as a solvent for solutions in a lab the most common types of wash bottles are acetone ethyl alcohol distilled water and tap water each bottles cap is color-coordinated according to the type of substance contained within it right is used for acetone white for ethyl alcohol blufor distilled water and clear for tap water not only is acetone used as a solvent but also as a means to clean out your glassware in a non water soluble solution first rinse your beaker or whatever chemistry lab equipment that once contained a water soluble solution such as the speaker here with acetone to rinse it three times