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Anglų > Laboratory words > Flashcards

Laboratory words Flashcards

1
Q

to find out by means of a balance how heavy sth. is, consider carefully, have a specified weight or importance

A

weigh

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2
Q

the property of being heavy, the amount expres¬sed in some scale

A

weight

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3
Q

a hollow thing used to hold sth., a tube or channel

A

vessel

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4
Q

to cause fresh air to circulate freely

A

ventilate

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5
Q

stuff, matter, material

A

substance

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6
Q

a smell

A

odour

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7
Q

supply or provide with what is necessary for some purpose

A

equip

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8
Q

the necessary things used for a special purpose

A

equipment

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9
Q

a flat, narrow piece of wood fitted into a cupboard

A

shelf

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10
Q

arrangement with pegs for holding or hanging things

A

rack

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11
Q

things made of glass, glass dishes

A

glassware

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12
Q

having nothing inside

A

empty

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13
Q

to have or hold in itself

A

contain

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14
Q

a chemical agent medžiaga or substance

A

reagent

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15
Q

a slender (lieknas) glass tube, closed at one end, used in chemical experiments

A

test-tube

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16
Q

a vessel, wide at the top, used for pouring liquids into a small opening

A

funnel

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17
Q

a bottle with a narrow neck used for carrying liquids

A

flask

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18
Q

a glass vessel with a long, narrow neck sloping downwards from the rounded part

A

retort

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19
Q

outward form, figure, outline

A

shape

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20
Q

degree of largeness or smallness, dimensions

A

size

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21
Q

o find out exactly, settle, decide

A

determine

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22
Q

the act of determining, deciding, fixing

A

determination

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23
Q

to cause to become liquid by heat, dissolve

A

melt

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24
Q

a hollow, round vessel

A

cylinder

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25
Q

a graduated glass tube with a stopcock at the bottom, used for measuring small quantities of liquid

A

burette

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26
Q

a slender glass tube for transferring, or mea¬suring small amount of liquids

A

pipette

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27
Q

a quantity, mass, or amount

A

volume

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28
Q

based on the measurement of volume

A

volumetric

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29
Q

to find out or estimate the extent, dimensions, etc. of or by a standard

A

measure

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30
Q

the state of being accurate or exact, pre¬cision

A

accuracy

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31
Q

the state or habit of being clean, or pure

A

cleanliness

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32
Q

to stop or keep from doing or happening, frustrate, hinder (trukdo)

A

prevent

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33
Q

to make impure, unclean or diseased, by contact, pollute

A

contaminate

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34
Q

a loose robe in various shapes worn by judges, clergymen or lab workers

A

gown

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35
Q

an instrument for weighing, the state of being steady, exact equality between two sides

A

balance

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36
Q

the state of being impure

A

impurity

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37
Q

a thing that burns or works by heat

A

burner

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38
Q

hotness, the contrary (priešingas) of cold, to make or become hot

39
Q

a heavy, liquid, silver-white metal used in thermometers

40
Q

correct for the occasion, well fitted for the purpose, appropriate

41
Q

a firm substance, hard, strong, firmly built

42
Q

to make or become hard or firm

43
Q

a series of marks placed at regular intervals for the purpose of measuring, a ruler with marks

44
Q

a piece of furniture on which things may be placed and kept

45
Q

a device for holding things together tightly, to fasten tightly with a clamp

46
Q

have a view from above

47
Q

containing nitrogen

48
Q

a colourless, fuming acid, HNO3

A

nitric acid

49
Q

a light-yellow substance which burns with a blue flame and a strong smell

50
Q

containing sulphur

51
Q
  • containing hydrogen and chlo¬rine
A

hydrochloric

52
Q

a substance like soda, potash or ammonia which combines with an acid to form a salt

53
Q

a colourless gas (NH3) with a strong, sharp smell, used for cleaning clothes, and in making ice

54
Q

the process by which sth. is dissolved in a liquid, the mixture resulting from such a process

55
Q

a shining, white, soft metallic element not found free in nature

56
Q

a compound of oxygen

57
Q

a silver-white metal, found combined with some other substances

58
Q

common salt

A

sodium chloride

59
Q

washing soda, Na2C03

A

sodium carbonate

60
Q

baking soda, NaHC03

A

sodium bicarbonate

61
Q

Used for the mixing of chemicals.
Big base leads to stability.
Narrow neck prevents splashs.
Not a precise measuring instrument.

A

Erlenmeyer Flask

62
Q

The round-bottom with thick walls makes this flask capable of withstanding temperature changes.

A

Florence Flask

63
Q

Used for measuring medium to large quantities of liquids.

A

Graduated Cylinder

64
Q

a shallow cylindrical dish that has a lid, useful for watching chemical reactions.

A

Petri dish

65
Q

Usually used to store water, for the purpose of “washing” glassware, or moving solid substances from one location to another.

A

Wash bottle

66
Q

Used for heating chemicals using natural gas.

A

Bunsen Burner

67
Q

Used for igniting (uždegti) a bunsen burner using flint friction.

A

flint striker

68
Q

Used as a container for heating solid materials to very high temperatures

69
Q

Used for accurately dispensing very small quantities of liquids.

Contains a stopcock to control the release of the liquid.

70
Q

Used for storing and pouring medium to large quantities of liquid. Not a precise measuring instrument!

71
Q

Used to grind solid matter into powder.

A

mortar and pestle

72
Q

Used to transfer small amounts of liquid.

73
Q

Used to transfer small amounts of liquid.

A

dropper pipet

74
Q

Used to spread out flame of the bunsen burner.

A

Wire Gauze

75
Q

Used as a support for rings, clamps, etc.

A

ring stand

76
Q

Used to plug test tubes and Erlenmeyer flasks.

Different sizes are designated by different numbers.
Some have one or two holes for glass tubing, thermometers, or other probes.

A

rubber stopper

77
Q

attaches to a stand to support beakers

78
Q

A glass rod used for stirring liquid mixtures.

A

stirring rod

79
Q

Used to support the crucible on a ring stand.

A

clay pipe triangle

80
Q

Used to hold test tubes.

A

test tube clamp

81
Q

Used for storing liquid chemicals and for watching reactions.

82
Q

Used for cleaning test tubes.

A

test tube brush

83
Q

Used for measuring the kinetic energy of molecules in an object.

A

thermometer

84
Q

Useful for watching chemical reactions of small quantities of liquid.

A

watch glass

85
Q

Used to boil off liquids, leaving dissolved solids behind.

A

evaporating dish

86
Q

Used to pick up crucibles/beakers.

A

crucible tongs and beaker tongs

87
Q

Used to dispense solid, powdered chemicals.

A

spatula and scoopula

88
Q

Used to manipulate
small objects.

A

forceps/tweezers

89
Q

Used to spread the bunsen burner flame.

90
Q

Used to score glass prior to breaking.

A

triangular file

91
Q

Used to perform small scale chemistry experiments (minimizing chemical usage and waste).

A

well plate

92
Q

Used for storing (and drying) test tubes.

A

test tube rack

93
Q

Used to transfer liquid chemical without spilling.
Also used for filtration.

Anglų (2 decks)

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