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chemistry lab

definitions and vocab words

QuestionAnswer
produces a hot flame used to heat,dehydrate,or sterilize substances in the lab. ours run on natural gas. bunsen burner
this dish is used to recover dissolved solids by evaporation. while it can be heated,it should not be used for "strong" heating. evaporating dish
used to light a lab burner. not a toy noisemaker during lab. striker
will hold small amounts of a substance to be heated and dehydrated. made of porcelain or ceramic,they can withstand high temperatures. crucible and cover
used to temporarily hold test tubes for short periods of "gentle" heating. test tube holder
wire frame with porcelain supports used for supporting a crucible during heating a substance clay triangle
the rounded bottom of the florence flask makes it ideal for boiling liquids. it also makes this flask easy to tip over when sitting on the lab table. florence flask
these are used for picking up crucible and crucible covers ONLY. crucible tongs
when attached to the ring stand, this is used to support glassware above the lab table. watch glass
provides structural support for various attachments that are usually used to hold glassware. ring stand
when attached to the ring stand, this is used to support glassware above the lab table. support ring
used as a support for beakers when placed across a support ring. wire gauze
used to contain reaction solutions. although they usually have a measurement scale on the side, they are not used to make exact measurements. volumes are approximate. erlenmeyer flask
used to carry out chemical reactions. to mix solutions in the test tube, swirl it gently. when not in a test tube holder or clamp, put test tubes in a test tube rack. test tube
use to make accurate measurements of liquid volumes. the bumper ring on larger cylinders is to prevent breakage if tipped over. graduated cylinder
for measuring exact volume measurements of liquids. it has only one graduation line. volumetric pipette
used to measure a single, exact volume. to use: fill the flask to the line on the neck to get the volume indicated on the flask. pay attention to the meniscus. volumetric flask
dispense exact volumes of liquid. they are used during a process called titration, in which the exact concentration of a substance is determined. burettes
used to measure and transfer small, exact volumes by reading the graduations on the side of the pipette. graduated pipette
when attached to the ring stand, this is used to hold a large test tube or florence flask above the lab table. utility clamp
used to hold and transfer liquids. although they usually have a measurement scale on the side, they are not used to make exact measurements. volumes are approximate. beaker
used to transfer solids from their original container to a scale for weighing. chemical spoon
used to grind solids into powders. mortar and pestle
used in conjunction with a vacuum connection to a water faucet to speed up filtration. filter flask
pull liquid into the pipette by turning the dial on the filler. never draw a liquid into a pipette with your mouth. pipette filler
used for rinsing solids out of a container when filtering. wash bottle
used to close hoses by pinching them together. hose clamps
when lined with filter paper, used to filter suspended solids from a liquid. filter funnel
Created by: tabbtigers