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Botany lec > PICLAB > Flashcards

PICLAB Flashcards

1
Q

“specialized clothing” or equipment worn
for protection against hazardous and infectious materials

A

PPE

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2
Q

Used for mixing,
stirring, and heating
chemicals

A

BEAKER

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3
Q

Have spouts on their
rims to aid in pouring

A

BEAKER

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4
Q

Conical flask

A

Erlenmeyer flask

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5
Q

has a narrow neck
and expands toward
its base

A

Erlenymeyer flask

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6
Q

Allows easy mixing
and swirling of the
flask without too
much risk of spilling

A

Erlenmeyer flask

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7
Q

a.k.a. Boiling Flask

A

Florence flask

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8
Q

Has round bottom
and long neck

A

Florence flask

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9
Q

Used to hold liquids
and can be easily
swirled and heated

A

Florence flask

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10
Q

a glass tube with one
end open and the
other end closed

A

Test tubes

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11
Q

used to hold small
samples for
qualitative
assessment and
comparison

A

Test tube

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12
Q

Small clay cup made
of a material that can
withstand extreme
temperatures

A

Crucible with cover

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13
Q

Used for heating
substances and
come with lids.

A

Crucible with cover

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14
Q

Used to hold
crucibles after
heating procedure

A

Crucible tong

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15
Q

Used to hold test
tubes

A

Test tube rack

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16
Q

Usually made of
wood, sometimes
with a built in drying
rack for test tubes

A

TEST TUBE RACK

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17
Q

a round piece of glass
that is slightly concave/
convex (think of a lens)

A

WATCH GLASS

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18
Q

can hold a small amount
of liquid or solid

A

WATCH GLASS

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19
Q

can be used for
evaporation purposes

A

WATCH GLASS

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20
Q

can function as a lid for
a beaker

A

Watch glass

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21
Q

can be made of plastic
or glass and can have
either a short stem or a
long stem

A

Funnel

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22
Q

Used to channel liquid
or fine-grounded
substances into
containers with small
opening

A

Funnel

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23
Q

Used for measuring
volume of liquid

A

Graduated cylinder

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24
Q

There are several
markings up and
down the length of
the container with
specific increments

A

GRADUATED CYLINDER

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25
Q

A round flask with a
long neck and flat
bottom

A

Volumetric flask

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26
Q

Used to measure an
exact volume of liquid

A

VOLUMETRIC FLASK

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27
Q

There is a small line
on the neck that
indicates how far to
fill the bottle

A

Volumetric flask

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28
Q

Small glass tubes
with narrow tips on
one end and a rubber
bulb on the other

A

Droppers

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29
Q

Suck up liquid that
can then be
squeezed out in
small drops

A

DROPPER

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30
Q

Measuring an exact
volume of liquid and
placing it into another
container

A

Pipette

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31
Q

Extremely accurate
measurement (4 S.F.)

A

Volumetric pipette

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32
Q

A glass tube that is
open at the top and
comes to a narrow
pointed opening at the
bottom.

A

Burret

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33
Q

Right above the bottom
opening is a stopcock
that can be turned to
control the amount of
liquid being released.

A

Burret

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34
Q

• Used for extremely
accurate addition of
liquid, especially during
TITRATION
• There are markings
along the length of the
tube that indicate the
volume of liquid present

A

Burret

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35
Q

Used to suspend
burets, beakers,
flasks, crucibles, etc.
in some cases, a
heat source

A

Iron stand, ring & clamps

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36
Q

Used for grabbing
things that should not
be touched by hands

A

FORCEPS

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37
Q

Used for scooping
chemicals

A

Spatula & scoopulas

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38
Q

Used for measuring
temperature

A

Thermometer

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39
Q

a mechanical
apparatus that is
connected to a
flammable gas
source.

A

BUNSEN BURNER

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40
Q

Used to produce an
open flame

A

Bunsen burner

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41
Q

There is a knob to
adjust the amount of
gas flow and a
rotating collar that
controls airflow.

A

Bunsen burner

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42
Q

• These both must be
adjusted to get an
ideal flame for
heating purposes.

A

Bunsen burner

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43
Q

Controls the amount of oxygen ( more oxygen, more intense and blue the flame)

A

Collar

44
Q

Adjusts amount of gas (more gas, the larger the flame)

A

Gas valve

45
Q

Keeps burner from making contact with work surface

A

Base

46
Q

How to use bunsen burner

A

SETALighT

47
Q

Safest flame

A

Safety flame

48
Q

Coolest flame

A

Safety flame

49
Q

Yellow/orange in color

A

Safety flame

50
Q

Never used to heat, only to show
that the burner is on

A

Safety flame

51
Q

Medium flame also termed as

A

Normal flamw

52
Q

Blue flame

A

normal flame

53
Q

Inivisible flame

A

Normal flame

54
Q

Difficult to see in a well lit room

A

Normal flame

55
Q

Most commonly used flame

A

Normal flame

56
Q

Light blue triangle in the middle

A

ROARING FLAME

57
Q

Only flame to make a noise

A

Roaring flame

58
Q

Hottest flame

A

Roaring flame

59
Q

Air hole is closed; used to see if the burner is on

A

Safety flame

60
Q

Air hoke is half-open; gently heat

A

Normal flame/blue flame

61
Q

Air hole is open; used to quickly heat

A

Roaring flame

62
Q

Accurately measure
mass from around
0.0001g to 0.00001g

A

Analytical balance

63
Q

Measures mass from
around 0.01g to 0.1g

A

Top loading balance

64
Q

Precision balance

A

Top loading balance

65
Q

Used for cleaning
test tubes and other
narrow mouth
glasswares

A

Test tube brush

66
Q

Used to distribute
evenly heat and
support beakers
during heating

A

Wire gauze

67
Q

Has an open center

A

Clay triangle

68
Q

Used to suspend
crucibles

A

Clay triangle

69
Q

Made of porcelain or
borosilicate glass

A

Evaporating dish

70
Q

Used to heat liquids
for evaporation

A

Evaporating dish

71
Q

Made of glass,
plastic, borosilicate,
and topped by caps
or stoppers

A

Reagent bottle

72
Q

Intended to contain
chemicals

A

Reagent bottles

73
Q

Used to move test
tubes (whether due
to heat or safety
reasons)

A

Test tube holder

74
Q

A three-legged
platform used to
support or hold flasks
and beakers

A

TRIPOD

75
Q

Used to mix
chemicals and liquids

A

Stirring rod/glass rod

76
Q

Used for viewing or
making enlarged
images of very small
objects

A

Microscope

77
Q

Used to crush, mash
or grind substances

A

Mortar & Pestle

78
Q

Used to produce an
open flame for
heating, sterilization
or combustion

A

Alcohol lamp

79
Q

Used for sucking or
absorbing liquids
through a narrow
tube

A

Aspirator bulb

80
Q

Used to connect two
other pieces of
jointware to each
other

A

Adapter

81
Q

Used in liquid-liquid
extraction to
separate (partition)
components of a
mixture of two
immiscible liquids
(different densities)

A

Seperatory funnel

82
Q

• Usually a long,
circular glass tube.
Inside the tube there
is another, smaller
tube

A

Condenser

83
Q

Used to cool hot
gases into liquids

A

Condenser

84
Q

Used to separate
mixtures of two
liquids with different
boiling points

A

Distilling flask

85
Q

Used to verify gas
production
in fermentation

A

Fermentation tube

86
Q

Acts as shallow
cylindrical glass or
plastic lidded
dish that biologists
use to culture cells

A

Petri dish

87
Q

A small glass bottle
of known volume for
determining the
relative density of
liquids and solids by
weighing

A

Pycnometer

88
Q

A small volumetric
flask with a long
graduated neck used
in pharmacy for
determining
cinnamaldehyde in
cassia bark and other
forms of cinnamon

A

Cassia flask

89
Q

Forms in cassiabark & other forms of cinnamon

A

Cinnamaldehyde

90
Q

Greatest criterion of cleanliness

A

uniform wetting of the surface by distilled water

91
Q

Chemical reaction that occurs in aqueous
solution when two ions bond to form an
insoluble salt, which is called

A

PRECIPITATE

92
Q

The process can be carried
out by tilting the mixture
after pouring out the top
layer

A

DECANTATION

93
Q

The process of separation
of liquid from solid and
other immiscible liquids,
by removing the liquid
layer at the top from the
layer of solid or liquid
below.

A

DECANTATION

94
Q

Common method of separation of
solids and liquids

A

FILTRATION

95
Q

the act of pouring a mixture onto a
membrane (filter paper) that allows the
passage of liquid (the filtrate) and results
in the collection of the solid (residue)

A

Filtration

96
Q

Often better with organic solvents

A

Fluted filter paper

97
Q

High surface area

A

Fluted filter paper

98
Q

The precipitate
should be allowed
to settle.

A

Gravity filtration

99
Q

greater portion of
the supernatant
liquid should be
poured through the
filter in the funnel
without clogging.

A

Gravity filtration

100
Q

separation process which uses the action
of centrifugal force to promote accelerated
settling of particles in a solid-liquid mixture

A

Centrifugation

101
Q

Uses a centrifuge machine

A

Centrifugation

102
Q

calibrated to deliver one fixed
volume.

A

Transfer pipet

103
Q

delivers a variable volume

A

Measuring pipet

104
Q

deliver known volume of liquids

A

Pipets

105
Q

A precisely manufactured
glass tube with
graduations

A

Buret

106
Q

The 0-mL mark is near the
top.

A

Burets

107
Q

A typical balance with a
capacity of 100–200 g
and a readability of
0.01–0.1 mg.

A

Analytical balance

Botany lec (6 decks)

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