Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

PHARM 1104 > Laboratory Equipments > Flashcards

Laboratory Equipments Flashcards

1
Q

A piece of laboratory glassware used to inject or remove a volume of gas from a closed system, as well as to quantify the volume of gas produced by a chemical reaction.

A

Gas syringe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

A cylindrical vessel with a cap that is used in a centrifuge machine to separate the components of solutions.

A

Centrifuge tube

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

A metal wire interwoven sheet that sits between the beaker and the tripod stand. Because glassware cannot be heated directly, a wire mesh is utilized to diffuse the heat from the flames.

A

Wire mesh

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

A piece of laboratory glassware used to separate two immiscible liquids with similar densities.

A

Separatory funnel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

A piece of laboratory equipment used to extract lipids and other desired chemical compounds from solid materials.

A

Soxhlet apparatus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

It is a device used for heating flammable chemical samples at a constant temperature.

A

Water bath

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

It is a cylindrical vessel with a round bottom that is used to hold chemicals during the experiments, with high thermal stability.

A

Test tube

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

A piece of laboratory glassware that provides a controlled flow of liquids while transferring them from one vessel to another.

A

Dropping funnel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

An oddly shaped airtight glassware with a curved neck, for non-complex distillation.

A

Retort flask

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Scissor-like tools used to grip and lift objects and avoid the risk of getting burnt.

A

Tongs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

A laboratory apparatus that separates fluids, gaseous or liquid, according to density.

A

Centrifuge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

A device that has been calibrated to transfer a very specific volume of liquid from one container to other.

A

Volumetric pipette

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Who used the retort flask?

A

Antoine Lavoisier
Jons Berzelius

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

An apparatus used to assess the nitrogen concentration in organic compounds, resembling a volumetric flask but has a circular bottom instead of conical.

A

Kjeldahl Flask

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Where can centrifuge machines be used?

A
  1. collect cells
  2. precipitate DNA
  3. purify viral particles
  4. identify minor changes in molecular conformation.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Ancient tools used to crush and grind ingredients or substances into a thin paste or powder.

A

Mortar and pestle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

A shallow, transparent cylindrical tube used to carry out biochemical reactions in general.

A

Petri dish

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Ceramic or metal pot-like vessel used to melt metals and other solid chemical compounds.

A

Crucible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

It is commonly used in organic chemistry for several heating purposes, such as evaporating solutions to dryness post-synthesis using a rotary evaporator and removing concentrated samples.

A

Pear-shaped flask

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

A piece of laboratory glassware that is used to filter solid impurities from chemical solutions.

A

Filter funnel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

A laboratory device used to mix, blend, or stir chemical compounds by shaking them.

A

Mechanical Shaker

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What is buchner flask also known for?

A

Vacuum flask, filter flask, suction flask, side-arm flask, and Kitasato flask.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Where is centrifuge machine based on?

A

Sedimentation principle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

A regular plastic bottle attached to a nozzle with a screw-top lid, and it is used to rinse various pieces of laboratory glassware, such as test tubes and round bottom flasks, after or before their use.

A

Wash bottle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

This apparatus is widely used to provide a controlled flow of reagents during their volumetric analysis or titration.

A

Burette

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

A method of purifying chemicals based on their polarity or hydrophobicity.

A

Column chromatography

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Composed of one perforated sheet arranged over a plain sheet of plastic or metal, which holds the test tubes in an upright position.

A

Test tube rack

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

A three-legged platform that is used to support vessels while they are being heated on a bunsen burner.

A

Laboratory tripod

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

One of the most commonly used flasks to carry out various experiments in the chemistry lab, such as titration, filtration, crystallization, etc.

A

Erlenmeyer Flask

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

A device that is used to precisely measure temperature or temperature changes.

A

Laboratory Thermometer

31
Q

A circular concave piece of glassware used in chemistry labs for a variety of applications. These include a surface to evaporate a liquid, to hold solids while weighing, to heat a small amount of substance, and as a beaker cover.

A

Watch glass

32
Q

A device used to measure the weight of chemical reagents in the chemistry lab. They are highly sensitive and can even weigh 0.001 gm of a substance.

A

Digital balance

33
Q

A device used in a chemistry lab to determine the concentration of a known solute by measuring the absorbance of a particular wavelength of light by a given solution.

A

Digital colorimeter

34
Q

When and who patented the erlenmyer mask?

A

1860, Emil Erlenmeyer.

35
Q

A cone-shaped device used to pour liquids from one vessel to another without the risk of spillage.

A

Funnel

36
Q

Refers to a collection of laboratory techniques used to separate mixtures.

A

Chromatography

37
Q

Explain beakers.

A
  1. Commonly used apparatus.
  2. Cylindrical, flat bottom, small spout on top
  3. Made up of borosilicate glass or plastic.
  4. Often used to hold, mix, and heat chemicals.
  5. 5 mL to 10, 000 mL
38
Q

A device used in the chemistry lab to prepare gases such as hydrogen sulfide gas, carbon dioxide gas, and hydrogen gas.

A

Kipp’s Apparatus

39
Q

A tool used to carry, mix, or spread solid or paste materials in the chemistry lab.

A

Spatula

40
Q

Chemistry lab apparatus commonly used to calculate the melting point temperature of chemical substances.

A

Capillary tube

41
Q

A type of laboratory glassware that is used to perform anaerobic reactions.

A

Schlenk Flask

42
Q

Also known as a volumetric cylinder or measuring cylinder, is a long slender vessel used to measure the volume of liquids in the chemistry lab.

A

Graduated cylinder

43
Q

Who created Buchner Flask?

A

Ernest Willhem Buchner

44
Q

A device used to determine the melting point of the chemical compounds.

A

Melting point apparatus

45
Q

These funnels reduce the possibility of a reaction occurring too quickly and gushing over.

A

Thistle Tube

46
Q

A type of gas burner designed to provide a single flame with the desired intensity.

A

Bunsen burner

47
Q

What is erlenmeyer flask also known for?

A

Conical flask

48
Q

Referred to as media bottles, are specially designed containers or vessels to hold chemicals in liquid or powder form.

A

Reagent bottles

49
Q

One of the laboratory glassware primarily used to prepare solutions.

A

Volumetric flask

50
Q

What is boiling tube made of?

A

Pyrex, a superior thermal stability

51
Q

What are the dimensions of capillary tube?

A

0.5 mm to 3 mm in diameter
1 mm to 6 mm in length

52
Q

A glassware apparatus that looks similar to a test tube, although it is 50% larger in size.

A

Boiling tube

53
Q

A piece of laboratory equipment used to cause condensation, i.e., turning vapors into liquid.

A

Condenser

54
Q

Difference between plastic beakers and glass beakers.

A

P - 01. Mix chemicals.
G - 01. Mix and heat chemicals.
02. More clarity for content visibility and measurement.

55
Q

A piece of laboratory glassware used to determine the melting point of organic compounds.

A

Thiele tube

56
Q

A semi-permeable sheet of paper used in chemistry labs to separate solid impurities or components from a liquid solution. They are often made of cellulose whose capillary function comes in handy while separating fine solid impurities.

A

Filter paper

57
Q

It is commonly used for vacuum filtration or distillation of solutions, which allows faster filtration than traditional methods.

A

Buchner Flask

58
Q

A type of filtration equipment used in laboratories. It is typically constructed of porcelain, glass, or plastic. It is frequently used in conjunction with a Büchner flask to carry out the filtration process.

A

Buchner funnel

59
Q

What are the engraved rings in the elongated neck of the volumetric flask for?

A

Indication of specific volume

60
Q

What is NMR usually made of, and what is its diameter?

A

5 mm, borosilicate glass with polyethylene caps

61
Q

A piece of supporting equipment designed to hold other laboratory apparatus such as beakers, flasks, burets, etc.

A

Ring stand

62
Q

A device that stirs chemical solutions by using electromagnetic force.

A

Magnetic stirrer

63
Q

These test tubes are used in biology and related sciences for handling and culturing all kinds of live organisms, such as molds, bacteria, seedlings, plant cuttings, etc.

A

Culture tubes

64
Q

A device used to hold test tubes while heating them.

A

Test tube holder

65
Q

Why is fusion tube made of thinner glass?

A

It is meant to be broken down after heating.

66
Q

A long, calibrated tube that is used in the laboratory to measure the volume of liquid being transferred from one container to another.

A

Graduated pipette

67
Q

An imaging technique used in chemistry as well as physics to observe the magnetic behavior around the atomic nuclei.

A

NMR or Nuclear Magnetic Resonance

68
Q

These funnels enable the precise placement of small quantities of chemicals in an existing system or apparatus, making it easier to add new materials to burets and narrow neck containers.

A

Thistle tube

69
Q

Often used in experiments that require uniform heating or boiling of the chemical contents.

A

Round bottom flask

70
Q

It is used to conduct experiments such as the sodium fusion test (Lassaigne’s test) or determine the substance’s melting/boiling point by heating a small sample excessively.

A

Fusion tube

71
Q

What are some colors of reagent bottles and what is its purpose?

A

Amber (actinic) brown or red to protect light sensitive chemical compounds from light, ultraviolet, and infrared radiation.

72
Q

Sometimes known as a dropper, is a device used in chemistry labs to transfer extremely small quantities of liquids.

A

Pasteur pipette

73
Q

When and who invented Kjeldahl Flask?

A

19th century, Johan Gustav Christoffer Thorsager Kjeldahl

74
Q

A bowl-like apparatus that resembles a crucible but is used to evaporate liquid substances.

A

Evaporating dish or china dish

PHARM 1104 (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions