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Biochemistry > Laboratory Apparatus > Flashcards

Laboratory Apparatus Flashcards

1
Q

point the mouth of the test tube at anyone when heating or doing a reaction in a test tube. T or F

A

False (never)

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2
Q

Never pour water into concentrated acid when preparing solutions. T or F

A

True (acid to water not water to acid)

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3
Q

wipe burns from acid or bases immediately and thoroughly. T or F

A

False (wash with water)

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4
Q

Never taste a chemical unless specifically directed to do so. T or F

A

True

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5
Q

Always use glycerine or soapy water as a lubricant when inserting glass tubing into rubber stoppers. Protect your hand by wrapping the glass tubing with a towel. T or F

A

True

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6
Q

Carefully read the labels of reagent before getting their contents. Get more than what is required by the experiment. T or F

A

False (never get….)

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7
Q

return unused chemicals in the reagent bottle. Discard solid waste materials into the waste can and liquid waste materials into the sink. T or F

A

False (Never return)

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8
Q

Never use the same spoon or glass tubing with different reagents without washing and drying them first. T or F

A

True

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9
Q

Always clean apparatus in all your experiments. T or F

A

True

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10
Q

Always use a luminous burner flame when the burner is to be used. When the burner is to be lighted stay away from the tip of the barrel. T or F

A

False (non-luminous)

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11
Q

Never leave an experiment unattended when heating or when reaction is taking place. T or F

A

True

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12
Q

Strong acids and bases should be diluted with water before being poured down the sink.

A

Water Soluble Liquid Wastes

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13
Q

For measurement of an amount of liquid.

A

Graduated Cylinder

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14
Q

Are useful as a reaction container or to hold liquid or solid samples. They are also used to catch liquids from titrations and filtrates from filtering operations.

A

Beaker

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15
Q

One of the most important apparatuses as they are functional from storing to mixing reagents in any chemical or biological reactions.

A

Test tube

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16
Q

A type of flask used as an item of laboratory glassware. It can be used as a container to hold solutions of chemicals.

A

Florence Flask

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17
Q

Used to contain liquids and for mixing, heating, cooling, incubation, filtration, storage, and other liquid-handling processes.

A

Erlenmeyer flask

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18
Q

Used to hold solids, evaporate liquids, and heat small quantities of different substances as per the need of the experiment.

A

Watch Glass

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19
Q

are made up of porcelain and are used to store and heat substances when required to be heated at high temperatures.

A

Crucible and cover

20
Q
  • Its mostly used in the titration reactions and is handful in delivering a known volume of any substance to other equipment. This apparatus is a long-graduated tube, with a stopcock present at the lower end.
A

Burette (Buret)

21
Q
  • To transfer liquids and samples during the laboratory workflow
A

Medicine dropper

22
Q
  • Used for filtering, filling, decanting or transferring liquids or powders from one vessel to another.
A

Funnel

23
Q
  • Used for mixing liquids, or solids and liquids.
A

Stirring Rod

24
Q
  • Used to prepare ingredients or substances by crushing and grinding them into a fine paste or powder
A

Mortar and Pestle

25
Q
  • Used in labs to separate liquids and solids from a solution by allowing the water to evaporate off into the air.
A

Evaporating Dish

26
Q
  • Used to measure temperatures or temperature changes with a high degree of precision.
A

Thermometer

27
Q
  • Used to measure out or transfer small quantities of liquid, in volumes of milliliters (mL), microliters (μL).
A

Pipette (Pipet)

28
Q
  • Used to separate mixtures of two liquids with different boiling points
A

Distilling Flask

29
Q
  • used for measuring accurate volumes of liquid materials for laboratory experiments.
A

Volumetric Flask

30
Q
  • Used to cool and condense a gas back to a liquid, often as part of the process of chemical distillation.
A

Liebig’s condenser

31
Q
  • To hold things and is placed in an iron stand to elevate other equipment.
A

Iron Clamp

32
Q

Supporting apparatus above the work surface.

A

Iron Stand

33
Q

The ____ serves to identify the pH of any solution by changing colors whereas, the _____ serves in the filtration process.

A

Litmus and filter paper

34
Q
  • Used to support a crucible while it is heated over a Bunsen burner.
A

Clay Triangle

35
Q
  • Usually used to keep glass beakers or flasks from breaking due to heat shock.
A

Wire Gauze

36
Q
  • Used in the laboratory to score glass tubing before cutting, then smoothing the edges before use.
A

Triangular File

37
Q
  • To hold test tubes securely while they are being filled, stirred, or heated.
A

Test tube holder

38
Q
  • Used to heat substances, to combust substances, and to sterilize objects on high heat
A

Bunsen Burner

39
Q
  • Used for the flow of fluids and gases.
A

Rubber tubing

40
Q
  • Used to lift a hot crucible from a furnace or for other items which cannot be handled with bare hands.
A

Crucible Tongs

41
Q
  • Used for cleaning test tubes and narrow mouth laboratory glassware, such as graduated cylinders, burettes, and Erlenmeyer flasks.
A

Test Tube Brush

42
Q

Useful material to stop test tubes and flasks.

A

Cork

43
Q
  • Used to seal test tubes, flasks, and other containers during experiments or storage.
A

Rubber Stopper

44
Q
  • Used to hold upright multiple test tubes at the same time.
A

Test Tube Rack

45
Q
  • Most common laboratory balance that determines the mass of chemicals or objects with high accuracy.
A

Analytical Balance & Triple Beam Balance

46
Q
  • Used to support equipment such as beakers, flasks, and other glassware during experiments.
A

Tripod

47
Q
  • To help with mixing, scraping, and other tasks related to transferring materials and samples from one place to another.
A

Spatula

Biochemistry (6 decks)

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