Laboratory words Flashcards
(93 cards)
1
Q
to find out by means of a balance how heavy sth. is, consider carefully, have a specified weight or importance
A
weigh
2
Q
the property of being heavy, the amount expres¬sed in some scale
A
weight
3
Q
a hollow thing used to hold sth., a tube or channel
A
vessel
4
Q
to cause fresh air to circulate freely
A
ventilate
5
Q
stuff, matter, material
A
substance
6
Q
a smell
A
odour
7
Q
supply or provide with what is necessary for some purpose
A
equip
8
Q
the necessary things used for a special purpose
A
equipment
9
Q
a flat, narrow piece of wood fitted into a cupboard
A
shelf
10
Q
arrangement with pegs for holding or hanging things
A
rack
11
Q
things made of glass, glass dishes
A
glassware
12
Q
having nothing inside
A
empty
13
Q
to have or hold in itself
A
contain
14
Q
a chemical agent medžiaga or substance
A
reagent
15
Q
a slender (lieknas) glass tube, closed at one end, used in chemical experiments
A
test-tube
16
Q
a vessel, wide at the top, used for pouring liquids into a small opening
A
funnel
17
Q
a bottle with a narrow neck used for carrying liquids
A
flask
18
Q
a glass vessel with a long, narrow neck sloping downwards from the rounded part
A
retort
19
Q
outward form, figure, outline
A
shape
20
Q
degree of largeness or smallness, dimensions
A
size
21
Q
o find out exactly, settle, decide
A
determine
22
Q
the act of determining, deciding, fixing
A
determination
23
Q
to cause to become liquid by heat, dissolve
A
melt
24
Q
a hollow, round vessel
A
cylinder
25
a graduated glass tube with a stopcock at the bottom, used for measuring small quantities of liquid
burette
26
a slender glass tube for transferring, or mea¬suring small amount of liquids
pipette
27
a quantity, mass, or amount
volume
28
based on the measurement of volume
volumetric
29
to find out or estimate the extent, dimensions, etc. of or by a standard
measure
30
the state of being accurate or exact, pre¬cision
accuracy
31
the state or habit of being clean, or pure
cleanliness
32
to stop or keep from doing or happening, frustrate, hinder (trukdo)
prevent
33
to make impure, unclean or diseased, by contact, pollute
contaminate
34
a loose robe in various shapes worn by judges, clergymen or lab workers
gown
35
an instrument for weighing, the state of being steady, exact equality between two sides
balance
36
the state of being impure
impurity
37
a thing that burns or works by heat
burner
38
hotness, the contrary (priešingas) of cold, to make or become hot
heat
39
a heavy, liquid, silver-white metal used in thermometers
mercury
40
correct for the occasion, well fitted for the purpose, appropriate
suitable
41
a firm substance, hard, strong, firmly built
solid
42
to make or become hard or firm
solidify
43
a series of marks placed at regular intervals for the purpose of measuring, a ruler with marks
scale
44
a piece of furniture on which things may be placed and kept
stand
45
a device for holding things together tightly, to fasten tightly with a clamp
clamp
46
have a view from above
overlook
47
containing nitrogen
nitric
48
a colourless, fuming acid, HNO3
nitric acid
49
a light-yellow substance which burns with a blue flame and a strong smell
sulphur
50
containing sulphur
sulphuric
51
- containing hydrogen and chlo¬rine
hydrochloric
52
a substance like soda, potash or ammonia which combines with an acid to form a salt
alkali
53
a colourless gas (NH3) with a strong, sharp smell, used for cleaning clothes, and in making ice
ammonia
54
the process by which sth. is dissolved in a liquid, the mixture resulting from such a process
solution
55
a shining, white, soft metallic element not found free in nature
potassium
56
a compound of oxygen
oxide
57
a silver-white metal, found combined with some other substances
sodium
58
common salt
sodium chloride
59
washing soda, Na2C03
sodium carbonate
60
baking soda, NaHC03
sodium bicarbonate
61
Used for the mixing of chemicals.
Big base leads to stability.
Narrow neck prevents splashs.
Not a precise measuring instrument.
Erlenmeyer Flask
62
The round-bottom with thick walls makes this flask capable of withstanding temperature changes.
Florence Flask
63
Used for measuring medium to large quantities of liquids.
Graduated Cylinder
64
a shallow cylindrical dish that has a lid, useful for watching chemical reactions.
Petri dish
65
Usually used to store water, for the purpose of “washing” glassware, or moving solid substances from one location to another.
Wash bottle
66
Used for heating chemicals using natural gas.
Bunsen Burner
67
Used for igniting (uždegti) a bunsen burner using flint friction.
flint striker
68
Used as a container for heating solid materials to very high temperatures
crucible
69
Used for accurately dispensing very small quantities of liquids.
Contains a stopcock to control the release of the liquid.
buret
70
Used for storing and pouring medium to large quantities of liquid. Not a precise measuring instrument!
beaker
71
Used to grind solid matter into powder.
mortar and pestle
72
Used to transfer small amounts of liquid.
pipet
73
Used to transfer small amounts of liquid.
dropper pipet
74
Used to spread out flame of the bunsen burner.
Wire Gauze
75
Used as a support for rings, clamps, etc.
ring stand
76
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.
rubber stopper
77
attaches to a stand to support beakers
Ring
78
A glass rod used for stirring liquid mixtures.
stirring rod
79
Used to support the crucible on a ring stand.
clay pipe triangle
80
Used to hold test tubes.
test tube clamp
81
Used for storing liquid chemicals and for watching reactions.
test tube
82
Used for cleaning test tubes.
test tube brush
83
Used for measuring the kinetic energy of molecules in an object.
thermometer
84
Useful for watching chemical reactions of small quantities of liquid.
watch glass
85
Used to boil off liquids, leaving dissolved solids behind.
evaporating dish
86
Used to pick up crucibles/beakers.
crucible tongs and beaker tongs
87
Used to dispense solid, powdered chemicals.
spatula and scoopula
88
Used to manipulate
small objects.
forceps/tweezers
89
Used to spread the bunsen burner flame.
wing top
90
Used to score glass prior to breaking.
triangular file
91
Used to perform small scale chemistry experiments (minimizing chemical usage and waste).
well plate
92
Used for storing (and drying) test tubes.
test tube rack
93
Used to transfer liquid chemical without spilling.
Also used for filtration.
funnel
