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BIOCHEMISTRY > W1: Lab Apparatus Uses > Flashcards

W1: Lab Apparatus Uses Flashcards

Identify the proper usage of each apparatus

1
Q

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

A

Beakers

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2
Q

_______ are used to move beakers containing hot liquids

A

Beaker tongs

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3
Q

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

A

Erlenmeyer flasks

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4
Q

_______ are Rarely used in first year chemistry, it is used for the mixing of chemicals. Narrow neck prevents splash exposure.

A

Florence Flask

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5
Q

_______ is used to measure volumes of liquids.

A

graduated cylinder

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6
Q

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

A

test tube holder

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7
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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8
Q

_______ are for holding and organizing test tubes on the laboratory counter. After washing flip test tube over on wooden peg to dry.

A

Test tube racks

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9
Q

_______ are used to close containers to avoid spillage or contamination. Containers should never be heated when there is a stopper in place.

A

Rubber stoppers

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10
Q

________ are used when we want to perform many small scale reactions at one time.

A

Spot plates

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11
Q

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

A

glass rod

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12
Q

_________ are used to pick up small objects.

A

Forceps or tweezers

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13
Q

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

A

Funnel

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14
Q

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

A

watch glass

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15
Q

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

A

Wash bottle

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16
Q

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

A

Weighing boats

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17
Q

________ are used for the heating of nonvolatile liquids and solids.

A

Bunsen burners

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18
Q

________ are used to light Bunsen burners. The flints on strikers are expensive. Do not operate the striker repeatedly just to see the sparks!

A

Strikers

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19
Q

_______ is used for the heating of stable solid compounds and elements.

A

evaporating dish

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20
Q

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

A

Crucibles

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21
Q

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

A

clay triangle

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22
Q

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

A

Crucible Tongs

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23
Q

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

A

Ringstands

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24
Q

__________ are used to secure test tubes, distillation columns, and burets to the ringstand.

A

Utility clamps

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25
Q

__________ connect to a ringstand and provide a stable, elevated platform for the reaction.

A

Iron rings

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26
Q

_________ sits on the iron ring to provide a place to stand a beaker.

A

Wire gauze

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27
Q

___________ are used to burets – long graduated tubes used in titration.

A

Double Buret clamps

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28
Q

_________ are used primarily to cut glass rod

A

Triangular files

29
Q

___________is used to identify bases

A

Red litmus paper

30
Q

___________ used when large volumes of gases are produced, and must be collected by the displacement of water.

A

gas collecting bottles

31
Q

__________ is used to identify acids

A

Blue litmus paper

32
Q

__________ is used to transfer a small volume of liquid (less than one mL). On top of each medicine dropper is a “___________”

A

medicine dropper, rubber bulb

33
Q

____________ measures and delivers exact volumes of liquids.

A

Mohr Pipets

34
Q

_____________ provide a surface for semi-micro scale experiments, such as drop reactions and testing of acids and bases.

A

Glass plates

35
Q

___________ are used to dispense solid chemicals from their containers.

A

Spatulas

36
Q

Mixing a solution of saltwater for an experiment.

A

Beakers

37
Q

Safely moving a hot beaker of boiling water from a heating source.

A

Beaker tongs

38
Q

Mixing vinegar and baking soda to observe a chemical reaction.

A

Erlenmeyer flasks

39
Q

Mixing a small volume of highly reactive chemicals in a controlled manner.

A

Florence Flask

40
Q

Measuring exactly 25 ml of water for an experiment.

A

Graduated cylinder

41
Q

Holding a test tube containing a hot liquid during a reaction.

A

Test tube holder

42
Q

Cleaning a test tube used in a previous experiment.

A

Test tube brushes

43
Q

Organizing test tubes filled with different reactants for simultaneous reactions

A

Test tube racks

44
Q

Sealing a flask containing a volatile solution to prevent evaporation.

A

Rubber stoppers

45
Q

Performing multiple small-scale reactions simultaneously, such as testing different pH levels.

A

Spot plates

46
Q

Stirring a solution to ensure thorough mixing of reagents.

A

Glass rod

47
Q

Grasping a small crystal to add to a solution

A

Forceps

48
Q

Transferring a liquid from one container to another without spillage.

A

Funnel

49
Q

Holding a small sample of a solid chemical for observation.

A

Watch glass

50
Q

Rinsing a glassware with distilled water to remove impurities.

A

Wash bottle

51
Q

Measuring the mass of a solid chemical before transferring it to a reaction vessel.

A

Weighing boats

52
Q

Heating a beaker of water to boil.

A

Bunsen burners

53
Q

Lighting a Bunsen burner to start a heating process.

A

Strikers

54
Q

Evaporating a solvent from a solution to obtain a solid residue.

A

Evaporating dish

55
Q

Heating a metal to high temperatures for a specific chemical reaction.

A

Crucibles

56
Q

Supporting a crucible over a Bunsen burner during heating.

A

Clay triangle

57
Q

Handling a hot crucible safely.

A

Crucible tongs

58
Q

Setting up a reaction apparatus securely for heating.

A

Ringstands

59
Q

Attaching a test tube securely to a ringstand during a distillation process.

A

Utility clamps

60
Q

Providing support for reactions being conducted over a Bunsen burner.

A

Iron rings

61
Q

Providing a stable surface for a beaker to sit on a ringstand during heating.

A

Wire gauze

62
Q

Securing two burets during a titration experiment

A

Double Buret clamps

63
Q

Cutting a glass rod to a specific length for an experiment.

A

Triangular files

64
Q

Testing the acidity of a solution by dipping the paper and observing the color change.

A

Litmus paper

65
Q

Collecting a gas produced during a chemical reaction for further analysis.

A

Gas collecting bottles

66
Q

Adding a precise volume of a reagent to a solution.

A

Medicine dropper

67
Q

Measuring and delivering an exact volume of a liquid for an experiment.

A

Mohr pipet

68
Q

Conducting semi-micro scale experiments such as drop reactions.

A

Glass plates

69
Q

Dispensing a precise amount of solid chemical from its container for use in an experiment.

A

Spatulas

BIOCHEMISTRY (2 decks)

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