Lab Equipment Flashcards

(29 cards)

1
Q

holds solids or liquids that will not release gases when reacted or are unlikely to splatter if stirred or heated.

A

Beaker

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2
Q

hold solids or liquids that may release gases during a reaction or that are likely to splatter if stirred or heated.

A

Erlenmeyer Flask

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3
Q

the spherical bottom and vertical sides reduce mass loss when pouring, make them easier to wash out, and allow convenient monitoring of the contents.

A

Test Tubes

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4
Q

is used to measure volumes of liquids.

A

Graduated Cylinder

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5
Q

is useful for holding a test tube which is too hot to handle.

A

Test Tube Holder

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6
Q

are used to clean test tubes and graduated cylinders. Forcing a large brush into a small test tube will often break the tube.

A

Test Tube Brushes

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7
Q

are used to close containers to avoid spillage or contamination.

A

Rubber Stoppers

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8
Q

is used to hold a small amount of solid, such as the product of a reaction.

A

Watch Glass

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9
Q

racks are for holding and organizing test tubes on the laboratory counter. Plastic racks may melt with very hot test tubes.

A

Test Tube Racks

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10
Q

are used when we want to perform many small scale reactions at one time. We will use these many times during the year.

A

Spot Plates

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11
Q

is used to manually stir solutions. It can also be used to transfer a single of a solution.

A

Glass Stir Rod

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12
Q

is used to transfer a small volume of liquid. On the top, there is a “rubber bulb”.

A

Medicine Dropper

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13
Q

used to pick up small objects.

A

Forceps

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14
Q

measures and delivers exact volumes of liquids.

A

Pipette

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15
Q

red: used to identify bases //blue: used to identify acids

A

Litmus Paper

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16
Q

used to aid in the transfer of liquid from one vessel to another.

17
Q

has a spout that delivers a wash solution a specific area. Distilled water is the only liquid that should be used in this.

18
Q

used to weigh solids that will be transferred to another vessel.

A

Weighing Boat

19
Q

are used for the heating of nonvolatile liquids and solids.

A

Bunsen Burner

20
Q

is used as a support for a porcelain crucibles when being heated over a Bunsen Burner.

A

Clay Triangle

21
Q

are used to move beakers containing hot liquids.

22
Q

are used for heating certain solids, particularly metals, to very high temperatures.

23
Q

for handling hot crucibles; also used to pick other hot objects. NOT to be used for picking up beakers!

A

Crucible Tongs

24
Q

are a safe and convenient way to perform reactions that require heating using a Bunsen Burner.

A

Ringstands and their Components

25
connect to a ringstand and provide a stable, elevated platform for the reaction.
Ringstands and their Components Iron Rings
26
are used to secure test tubes, distillation columns, and burets to the ringstand.
Ringstands and their Components Utility Clamps
27
are used to burets, long graduated tubes used in titration.
Ringstands and their Components Double Buret Clamps
28
sits on the iron ring to provide a place to stand a beaker.
Ringstands and their Components Wire Gauze
29
used to light Bunsen Burners. The flints on strikers are expensive.
Strikers