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biology grade 11 > lab safety and equipment quiz > Flashcards

lab safety and equipment quiz Flashcards

1
Q

tweezer/forceps

A

pick up small objects

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2
Q

wire/test tube brush

A

clean inside of test tubes and graduated cylinders wire/test tube brush

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3
Q

mortar and pestle

A

grind up solids into fine powders mortar and pestle

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4
Q

test tube tongs

A

hold one test tube

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5
Q

Bunsen Burner

A

consists of gas inlet, burner tube, air control vent and gas control: named after its inventor, a chemist from germany

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6
Q

crucible

A

heat chemical compounds at very high temperatures

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7
Q

iron ring clamp

A

connects to a retort stands and provides a stable, elevated platform for reaction vessels

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8
Q

wire gauze

A

protect bottom of beaker of flask from flame; supports a beaker or flask on ring clamp

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9
Q

florence flask

A

round flask with long neck; designed for uniform heating of liquids; named after similar shape to certain bottles in italy

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10
Q

test tube rack

A

holds and organizes one or more test tubes

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11
Q

beaker tongs

A

move and hold beaker

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12
Q

scoopula

A

dispense solid chemical from its container

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13
Q

watch glass

A

holds small amount of solid or cover a container in which a reaction is occuring

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14
Q

crucible tongs

A

handles hot crucible

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15
Q

medicine dropper

A

transfer a small amount (drops) of liquid

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16
Q

graduated cylinder

A

measures volume of a liquid

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17
Q

glass stirring rod

A

mix a substance; made of glass to resist heat, stains, corrosion

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18
Q

clay triangle

A

supports a crucible when heated on Bunsen burner

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19
Q

Erlenmeyer flask

A

conical flask; narrow neck allows contents to be mixed without risk of spillage; named after its inventor, a chemist from germany

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20
Q

deflagrating spoon

A

burns small amount of phosphorus; long handle keeps heat away from hand

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21
Q

beaker

A

stir, mix and heat liquid

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22
Q

gas bottle

A

collects volume of oxygen

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23
Q

thistle tube

A

adds small volume of liquid to an exact position; narrow tube allows insertion through small hole of rubber stopper

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24
Q

retort stand

A

support, hold and clamp laboratory glassware and other equipment in place

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25
evaporating dish
evaporate excess solvent, most commonly water
26
CLASS A compressed gas
black circle and bottle; when rutured can become a projectile e.g. propane gas
27
CLASS B flammable and combustible materials
black circle with fire; will ignite and continue to burn e.g. alcohol and butane
28
CLASS C oxidizing materials
black circle with ring on fire; will release oxygen; cause or contributes to the combustion of another material e.g. hydrogen peroxides
29
CLASS D-1 materials causing immediate and serious toxic effects
black cirlce with skull and crossbones; very toxic e.g. cyanide
30
CLASS D-2 materials causing long term toxic effects
black circle with T and dot; may cause cancer e.g. asbestos may be an irritant e.g. ammonia
31
CLASS D-3 biohazardous infectious materials
black circle with ring and three open rings; e.g. blood samples containing hepatitis B virus
32
CLASS E corrosive materials
black circle with test tube pouring liquid onto hand and rod; buring, scarring, and blindness may result from skin or eye contact e.g. hydrochloric acid
33
CLASS F dangerously reactive materials
black circle with R and test tube with fumes coming out; it may also react with water to release a toxic gas e.g. sodium metal
34
HHPS explosive
black triangle with sometihng exploding; aerosol can such as hair spray
35
HHPS corrosive
black octagon with hands on flask; oven cleaner, car battery acid
36
HHPS flammable
black octagon with fire; gasoline
37
HHPS poison
black octagon with skull and crossbones; rat poison, windshield washer fluid
38
what does the triangle around HHPS mean
the container is dangerous
39
what does the octagon around HHPS mean
the product is dangerous
40
GHS explosive
red diamond with bomb exploding; explosives, self-reactives,organic peroxides
41
GHS corrosive
red diamond two test tubes, one pouring substance on hand, one pouring substance on rod; skin corrosion/burns, eye damage, corrosive to metals
42
GHS oxidizing
red diamond with circle on fire; oxidizing gases, liquids and solids
43
GHS compressed gas
red diamond with bottle; gases under pressure
44
GHS dangerous for environment
red diamond with tree and dead fish; aquatic toxicity
45
GHS toxic
red diamond with skull and crossbones; Acute toxicity (fatal or toxic)
46
GHS harmful/irritant
red diamond with exclamation mark; irritant, acute toxicity, narcotic effects, respiratory tract irritant, hazardous to ozone layer
47
GHS health hazard
red diamond with person having heart attack; carcinogen, mutagenicity, reproductive toxicity, respiratory sensitizer
48
GHS flammable
red diamond with fire; flammable, emits flammable gas, self heating
49
what are the five main dangers in the lab
cuts and burns, eye damage, fire and explosion, electric shock and poisoning
50
what should you do if you break glassware
report it to your teacher, clean it up carefully with dust pan and broom, dispose of it in glass disposal
51
what should you do if you burn yourself
place your hand under cold water immediately
52
what should you do if foreign substances gets in your eyes
call the teacher, move to eyewash station, flush eyes with water for at least 15 mins, book appointment with family doctory
53
if a fire occur what should you do?
call the teacher, stand back, turn off gas, keep calm
54
if a fire occurs in clothing what should you do?
stop, drop, and roll, immerse yourself in water (safety shower) and keep calm
55
what is the proper way to smell a substance
by wafting, waving the fumes towards you
56
how should test tubes be heated?
on an angle facing away from you and others
57
when mixing and acid and water always...
and acid and then water and stir slowly
58
what does HHPS stand for
hazardous household product system
59
what does WHMIS stand for
Workplace hazardous material information system
60
what does GHS stand for
globally harmonized system
61
how many symbols did old WHMIS have 1988
8 symbols
62
how many symbols does WHMIS 2015 or GHS have
9 symbols and biohazardous infectious materials is still used
63

biology grade 11 (10 decks)

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