laboratoryequipment
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| buret | glass, common sizes are 25ml and 50ml, used to measure volumes of solutions in titrations
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| ceramic square | used under hot apparatus or glassware
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| clamps | the following types of clamps may be fastened to support apparatus: buret/ test tube clamp, clamp holder, double buret clamp, ring clamp, 3 pronged jaw clamp
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| clay triangle | wire frame with porcelain supports; used to support a crucible
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| crucible tongs | iron or nickel; used to pick up and hold small items
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| condenser | glass; used in distillation procedures
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| crucible and cover | porcelain; used to heat small amounts of solid substances at high temperatures
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| dropper pipet | glass tip with rubber bulb; used to transfer small volumes of liquid
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| erlenmeyer flsk | glass; common sizes are 100 ml to 250ml, may be heated; used in titrations
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| evaporating dish | porcelain; used to contain small volumes of liquid being evaporated
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| florence flask | glass; common sizes are 125 ml, 250 ml, 500ml; may be heated; used in making and for storing solutions
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| forceps | metal, used to hold or pick up small objects
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| funnel | glass or plastic; common size holds 12.5 cm diameter filter paper
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| gas burner | constructed of metal; connected to a gas supply with rubber tubing, used to heat chemicals(dry or in solution) in beakers, test tubes, and crucibles
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| gas collecting tube | glass, marked in ml intervals; used to measure gas volumes
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| glass rob with nichrime wire | used in flame tests
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| graduated cylinders | glass or plastic, common sizes are 10, 50, 100, used to measure app. volume, must not be heated
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| graduated pipet | glass, common sizes are 10 ml, 25 ml, used to measure solution volumes; less accurate than a volumetric pipet
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| mortar and pestle | porcelain; may be used to grind crystals and lumpy chemicals to powder
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| pipet bulb | rubber; used in filling a pipet with a solution; a pipet must never be filled by mouth
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| plastic wash bottles | flexible plastic, squeeze sides to dispense water
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| platform balance | also known as a triple beam balance
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| pneumatic trough | galvanized container with shelf; used in experiments where a gas is collected
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| ring stand | metal rod fixed upright in a heavy metal base; has many uses as a support
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| rubber stoppers | several sizes
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| rubber tubing | used to connect apparatus to transfer liquids or gases
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| saftey googles | plstic; must be worn at all times while working in the lab
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| screw clamp, pinch clamp | metal; used to block off rubber tubbing
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| spatual scoopula | metal or porcelain, used to transfer solid chemicals the scoopula has a larger capacity
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| stirring rod and rubber policeman | glass with rubber sleeve, used to stir, assist in pouring liquids and for removing precipitates from the a container
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| test-tube brush | bristles with wire handle; used to scrub small diameter glassware
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| test tube holder | spring metal; used to hold test tubes or glass tubing
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| test tube rack | wood or plastic holds test tubes in a vertical position
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| test tubes | glass; common sizes small med large may be heated
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| thermometer | nonmercury common range -10c to 110
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| triangular file | metal; used to scratch glass tubing prior to breaking to desired length
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| tripod | iron, used to support containers of chemicals above the flame of burner
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| volumetric pipet | glass, common sizes are 10,25ml used to measure solution volumes accurately must not be heated
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| watch glass | glass, used to cover an evaporating dish or beaker
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| wide mouth bottle | glass, used with pneumatic trough
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| wire guaze | used to spread the heat of a burner flame
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| beaker | glass or plastic, common sizes are 50, 10.250,400 ml; glass beakers may be heated
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