Laboratory apparatus have a variety of functions. Listed here are the most common function for each: Beakers - liquid holding and filtration; Bunsen burners - heat the liquid for the experiment; Burets - holds a specific volume of liquid; Clay Triangles provides support of funnels or evaporating dishes; Droppers - to drop liquid in for precise measurement; Glass Funnels - to funnel liquids safely
. and Graduated Cylinders hold specific amounts of liquid. For detailed and visual information on laboratory apparatus, visit this site: http://chemlab.truman.edu/CHEM100Labs/CHEM100Files/CommonLaboratoryApparatus.htm.