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ORG CHEM PRELIMS > Laboratory Apparatus > Flashcards

Laboratory Apparatus Flashcards

1
Q

used for holding various chemicals not for measuring precisely

A

beakers

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2
Q

-used to precisely measure the volume of liquids or run experiments.
-Read/look from the meniscus at eye level.
-Plastic ring always on top if applicable.

A

graduated cylinder

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3
Q

-Used to
approximately measure the volume various liquids.
-Useful for mixing by swirling

A

Erlenmeyer flask

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4
Q

-Used to boil liquids.
-Also used to collect gases, if applicable.

A

Florence Flask

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5
Q

-Used to prepare precise standard solutions.
-They are only good for 1 specific volume.

A

Volumetric flask

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6
Q

Used to store, transport, or view reagents such as acids or bases.

A

Reagent bottle

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7
Q

-Used to close flasks and test tubes.
-The holes allow the insertion of glass tubing, probes, or thermometers as needed by the experiment.

A

Rubber stoppers

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8
Q

-Used to hold
chemicals while experimenting.
-Not for measuring precisely.

A

test tubes

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9
Q

Used to hold
tubes while experimenting

A

test tube rack

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10
Q

used to separate liquid based on boiling point

A

Distillation flask

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11
Q

Used for precisely measuring dispensed liquids

A

Buret

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12
Q

Holds buret to ring stand.

A

buret clamp

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13
Q

Base/Pole of set-up for
experimenting.

A

Ring stand

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14
Q

holds glassware in place for heating or evaporating.

A

Ring Clamps

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15
Q

-used for cleaning
-must clean before and after use

A

Test tube brushes

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16
Q

used for carrying or holding hot test tubes

A

test tube holder

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17
Q

-used for measuring temperature
-use metric

A

thermometer

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18
Q

used to heat substance

A

hotplate

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19
Q

-Used to heat substances quickly or if > 400°C is needed.
-Do not use with flammable substances.

A

Bunsen burner

20
Q

Used for a variety of things.
Example:
- Connecting Bunsen burner to gas valve stem.
- Connecting glass tubing together.Rubber tubing

A

Rubber tubing

21
Q

-Used to absorb and spread the heat of flame.
-Keeps glassware from cracking and breaking.
-Part of ring stand set-up.

A

Wire Gauze

22
Q

-Used to hold a crucible in place on a ring stand.
-Also helps absorb and spread heat of flame.
-Part of ring stand set-up.

A

Clay Triangle

23
Q

-Used for heating substances
-Can withstand high direct heat

A

crucible and cover

24
Q

used to carry crucible

A

crucible tongs

25
Q

used to carry beakers

A

beaker tongs

26
Q

grind substances into powder or slurry

A

Mortar and pestle

27
Q

-Used to scoop chemical powders.
-Not a measuring instrument.

A

scoopula

28
Q

used to stir

A

stirring rods

29
Q

used to show chemical reaction

A

watch glass

30
Q

used to evaporate excessive liquid

A

evaporating dish

31
Q

used to separate suspensions (solids from liquids)

A

centrifuge

32
Q

Used to precisely measure length

A

meter stick

33
Q

used to safely transfer substances to one container to another

A

funnel

34
Q

Used to measure out small amounts of liquids for experiments.

A

dropper and bottle

35
Q

-Usually contains deionized water
-Handy for rinsing glassware and for dispensing small amounts of dH, for chemical reactions.

A

wash bottle

36
Q

Used to protect your eyes from damage

A

goggles

37
Q

Used to protect your clothing from damage

A

apron

38
Q

Used to accurately measure mass.

A

digital balance

39
Q

used to compare the masses of two substances

A

double pan balance

40
Q

Used to precisely measure the volume of liquids in small amounts.

A

pipet pump and bulb

41
Q

used to collect liquid through the process of capillary action

A

capillary tubes

42
Q

-Used to ignite gas from a bunsen burner
-Do not use flint

A

Striker

43
Q

-Used to collect samples from colonies (bacteria)
-Also used to test the spectra of chemicals

A

Inoculating or flame loop

44
Q

measures the mass of an object
-make certain the balance is calibrated correctly before use

A

triple beam balance

45
Q

More precise than the triple beam balance

A

Centrigram Balance

46
Q

Disposable pipets used to transfer small amounts of chemicals
-graduated pipets can precisely measure small amounts of chemicals

A

Berol Pipet

ORG CHEM PRELIMS (1 decks)

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