lab equipment Flashcards

1
Q

measure the volume of a liquid. It has a narrow cylindrical shape

A

graduated cylinder

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2
Q

most frequent method for transferring liquid chemicals or solvents in the organic laboratory

A

syringe

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3
Q

represents the amount of liquid that has been measured

A

graduation

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4
Q

measure and deliver accurate
volumes of liquid

A

pipettes and micropipettes

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5
Q

measure a much smaller
volume, starting at 1 microliter

A

micropipette

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6
Q

start at 1 milliliter

A

pipette

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7
Q

used in analytical chemistry for accurate dispensing of variable, and for measuring the volume of a liquid

A

burette

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8
Q

turning the tap to allow the acid be added chuchu

A

perpendicular direction

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9
Q

at the tip of burette to control the flow of the chemical solution

A

stopcock and valve

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10
Q

glass burette

A

acid burette

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11
Q

rubber tube burette

A

alkali/base burette

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12
Q

ptfe material for burette

A

ptfe burette

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13
Q

type of laboratory flask, calibrated to contain a precise volume at a certain temperature. used for precise dilutions and preparation of standard solutions

A

volumetric flask

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14
Q

parts of beam balance

A

pan, riders, balance pointer, beams, base, counter weight

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15
Q

types of digital balance

A

analytical balance, top loading balance

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16
Q

used by chemists to handle chemicals, especially for qualitative experiments and assays

A

test tubes

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17
Q

Their 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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18
Q

to easily clean the inside of a test tubes and other glassware

A

test tube brush

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19
Q

culture different microorganisms and cells. To study microorganisms like bacteria & viruses under great observation, it is important to keep them isolated from other species or elements.

A

petri dish

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20
Q

concave, a surface to evaporate a liquid, to hold solids while being weighed, for heating a small amount of substance and as a cover for a beaker.

A

watch glass

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21
Q

perform reactions on a small amount of chemicals. tiny test tubes

A

spot plate, reaction plate, culture plate

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22
Q

a flat plate with multiple β€œwells” used as small test tubes.

A

microwell plate or microtiter plate

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23
Q

Used to hold and heat liquids, as a reaction vessel, as a hot water bath, for heating liquid mats

A

beaker

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24
Q

used as containers to hold liquids

A

flasks

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25
Q

for uniform heating, boiling, distillation and ease of swirling;

A

Florence flask

26
Q

used to contain chemical reactions run by chemists, especially for reflux set-ups and laboratory-scale synthesis

A

round-bottom flask

27
Q

to contain chemicals in liquid or powder form for laboratories and stored in cabinets or on shelves.

A

reagent bottles or media bottles

28
Q

types of reagent bottles

A

wide-mouthed reagent bottle, narrow-mouthed reagent bottle, amber reagent bottle

29
Q

to store medication as liquids, powders or capsules. They can also be used as scientific sample vessels

A

vials

30
Q

to collect samples of liquids, which will flow up into the tubes against the effects of gravity

A

capillary tube

31
Q

rinse various pieces of laboratory glassware, such as test tubes and round bottom flasks.

A

wash bottle

32
Q

the material where wash bottle is made up of

A

polyethylene

33
Q

to grab a small item and cannot do it with your fingers

A

forceps

34
Q

to connect other pieces of lab equipment. It can be cut, bent and stretched for a variety of uses.

A

glass tubing

35
Q

for guiding liquid or powder into a small opening.

A

funnel

36
Q

used in flow lines for fluids and gases in a variety of hydraulic, pneumatic, process, medical, and specialty applications.

A

rubber tubing

37
Q

used for calculating the pH of a liquid

A

pH meter

38
Q

it includes two vessels

A

calorimeter (inner and outer vessels for heat insulator)

39
Q

measure the temperature of the liquid

A

thermometer

40
Q

stir the liquid and distribute the heat in the vessel

A

stirrer

41
Q

puts an object in rotation around a fixed axis (spins it in a circle), applying a force perpendicular to the axis of spin (outward) that can be very strong

A

centrifuge

42
Q

where the centrifugal acceleration causes denser substances and particles to move outward in the radial direction.

A

sedimentation principle

43
Q

used to evaporate excess solvents – most commonly water –to produce a concentrated solution or a solid precipitate of the dissolved substance.

A

evaporating dish

44
Q

to crush up solid chemicals into smaller pieces, or to grind solids into fine powder

A

mortar and pestle

45
Q

used to make a stir bar, immerse in a liquid, quickly spin, or stirring or mixing a solution, for example.

A

magnetic stirrer

46
Q

connects the condenser and the receiving flask in a distillation process

A

adapter

47
Q

used to separate mixtures of two liquids with different boiling points

A

distilling flask

48
Q

used in the laboratory to cool hot gases into liquids

A

condenser

49
Q

Used with filtering flask for performing vacuum filtration.

A

buchner funnel

50
Q

used in liquid-liquid extractions to separate the components of a mixture into two immiscible solvent phases of different densities

A

separatory funnel

51
Q

to contain chemical compounds when heated to extremely high temperature

A

crucible

52
Q

Used to hold crucibles when they are being heated. They usually sit on a ring stand

A

clay triangle

53
Q

Used to hold crucibles and evaporating dishes when they are hot.

A

crucible tong

54
Q

used to heat glassware or its contents

A

hot plate

55
Q

used to apply heat to containers, as an alternative to other forms of heated bath

A

heating mantle

56
Q

used for heating and exposing items to flame

A

burners

57
Q

three-legged platform used to support flasks and beakers

A

tripod

58
Q

placed on top of the tripod to provide a flat base for glassware

A

wire gauze

59
Q

used to give an airtight seal to laboratory flasks and test tubes

A

stoppers

60
Q

for cutting a hole in a cork or rubber stopper to insert glass tubing

A

cork borer