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Chemistry

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39 Terms

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Beaker
is a cylindrical piece of glassware that is marked with gradations that are used for measuring liquid volumes.
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Volumetric Flask
pear-shaped, with a flat bottom, and a long neck. It is a lab glass or plasticware used to prepare a solution. It is used to make up a solution to a known volume.
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Erlenmeyer Flask
are used to contain liquids and for mixing, heating, cooling, storage, and other liquid-handling processes. Their slanted sides and narrow necks allow the contents to be mixed by swirling without the risk of spills, which is useful for titrations and for boiling liquids.
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Reagent Bottle
are containers made of glass, plastic , or related substances, and topped by special caps or stoppers. They are intended to contain chemicals in liquid or powder form for laboratories and stored in cabinets or on shelves.
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Florence Flask
characterized by a long neck and rounded bottom with a flat base. It is useful as a reaction vessel as well as for heating solutions.
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Graduated Cylinders
long, slender vessels used for measuring the volumes of liquids. They are not intended for mixing, stirring, heating, or weighing. Graduated cylinders commonly range in size from 5 mL to 500 mL.
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Test Tube
is one of the most used pieces of laboratory ware. Test tubes are the perfect shape and size to hold small amounts of substances, usually liquid, which are then manipulated in some way, such as being placed over the flame of a Bunsen burner.
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Watch Glass
round, concave glass dish used for observing a substance (chemical reaction, rate of evaporation) in chemistry.
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Crucible
is a cup-shaped piece of laboratory equipment used to contain chemical compounds when heating them to very high temperatures. The receptacle is usually made of porcelain or an inert metal.
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Evaporating Dish
is a tool used in labs to separate liquids and solids from a solution by allowing the water to evaporate off into the air. The result is either a more concentrated solution or the solid precipitate of the dissolved substance.
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Petri Dish
is a shallow transparent glass or plastic cylindrical lidded dish, used to contain a thin layer of agar on which to grow bacteria and fungi.
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Test tube rack
is a piece of laboratory equipment used to hold multiple test tubes upright at the same time.
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Crucible Tongs
are welded steel tools used to lift a hot crucible from a furnace or for other items which cannot be handled with bare hands.
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Spatula
are used as a sampling spoon, for measuring or transferring small amounts, as a scraper or for mixing and stirring.
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Test Tube Holder
is used to hold test tubes. It is used for holding a test tube in place when the tube is hot or should not be touched.
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Dropper
is a device used to transfer tiny amounts of liquid.
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Stirring Rod (Glass Rod)
used to stir or mix solutions. One of their main uses is to “scratch” the side of glassware (such as an Erlenmeyer Flask) to start the crystallization process in many experiments. They can also be used to let a liquid flow without splashing when transferring liquids.
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Pipette
is a laboratory instrument used to measure out or transfer small quantities of liquid, in volumes of milliliters (mL), microliters (μL).
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Test Tube Brushes
is a brush used for cleaning test tubes and narrow mouth laboratory glassware, such as graduated cylinders, burettes, and Erlenmeyer flasks.
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Burette
laboratory apparatus used in quantitative chemical analysis to measure the volume of a liquid or a gas.
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Aspirator
separates foreign material from granular product by means of spreading flow over an intake cone. The thin stream of material is introduced to a controlled current of air that passes through the material as it falls. Can Also be used in using a pipette.
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Meter Stick
measures one meter and shows only metric units of measurement of millimeters and centimeters.
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Pipette Bulb (Pipette Controller)
to create a vacuum or apply pressure to the liquid contents of serological, volumetric, or transfer pipets to collect, transfer, and dispense liquids;
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Tripod
three- legged platform used to support flasks and beakers.
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Suck
s
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Expell
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Aspirate
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Thermometers
are used to measure temperatures or temperature changes with a high degree of precision. (e.g Alcohol Thermometer, Mercury Thermometer)
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Wire Gauze
as glassware cannot be heated directly with the flame of a Bunsen burner and requires wire gauze to diffuse the heat, helping protect the glassware.
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Bunsen Burner
is a type of gas burner that is used in many chemistry procedures in a laboratory setting. It is used to heat substances, to combust substances, and to sterilize objects on high heat.
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Alcohol Lamp/Burner
is used for heating, sterilization, and combustion in a laboratory. It uses ethyl alcohol or spirit as fuel.
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Magnifying Glass
it is used to view enlarged or magnified images of objects or read the small calibrations marked on many equipments
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Heat Proof Mat
is a piece of apparatus commonly used in tabletop lab experiments that involve moderate temperatures (for example, when a Bunsen burner is being used) to prevent damage to a work surface.
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Microscopes
are the tools that allow us to look more closely at objects, seeing beyond what is visible with the naked eye.
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Analytical Balance
are precision measuring instruments used in quantitative chemical analysis, to determine the mass of solid objects, liquids, powders, and granular substances.
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Centigram Balance
The scale can measure objects to the nearest 0.01 grams. It increases efficiency in calculating the weight of an object.
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Triple Beam Balance
is a typical instrument used to measure the mass of various objects. It consists of three beams, each of which is provided with a single sliding weight that has a size corresponding to the gradations of the notched scale on each beam.
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Safety Goggles
protect the wearer's eyes from flying debris, dust, smoke and corrosive chemicals following accidents or equipment failure.
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Platform Balance
a laboratory apparatus which is used for weighing objects. The balance has two platforms either mounted on or suspended from a cross-arm, and weights are placed on one platform until they balance the object being weighed.