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biology grade 11 > lab safety and equipment quiz > Flashcards

lab safety and equipment quiz Flashcards

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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
Q

evaporating dish

A

evaporate excess solvent, most commonly water

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26
Q

CLASS A compressed gas

A

black circle and bottle; when rutured can become a projectile e.g. propane gas

27
Q

CLASS B flammable and combustible materials

A

black circle with fire; will ignite and continue to burn e.g. alcohol and butane

28
Q

CLASS C oxidizing materials

A

black circle with ring on fire; will release oxygen; cause or contributes to the combustion of another material e.g. hydrogen peroxides

29
Q

CLASS D-1 materials causing immediate and serious toxic effects

A

black cirlce with skull and crossbones; very toxic e.g. cyanide

30
Q

CLASS D-2 materials causing long term toxic effects

A

black circle with T and dot; may cause cancer e.g. asbestos may be an irritant e.g. ammonia

31
Q

CLASS D-3 biohazardous infectious materials

A

black circle with ring and three open rings; e.g. blood samples containing hepatitis B virus

32
Q

CLASS E corrosive materials

A

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
Q

CLASS F dangerously reactive materials

A

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
Q

HHPS explosive

A

black triangle with sometihng exploding; aerosol can such as hair spray

35
Q

HHPS corrosive

A

black octagon with hands on flask; oven cleaner, car battery acid

36
Q

HHPS flammable

A

black octagon with fire; gasoline

37
Q

HHPS poison

A

black octagon with skull and crossbones; rat poison, windshield washer fluid

38
Q

what does the triangle around HHPS mean

A

the container is dangerous

39
Q

what does the octagon around HHPS mean

A

the product is dangerous

40
Q

GHS explosive

A

red diamond with bomb exploding; explosives, self-reactives,organic peroxides

41
Q

GHS corrosive

A

red diamond two test tubes, one pouring substance on hand, one pouring substance on rod; skin corrosion/burns, eye damage, corrosive to metals

42
Q

GHS oxidizing

A

red diamond with circle on fire; oxidizing gases, liquids and solids

43
Q

GHS compressed gas

A

red diamond with bottle; gases under pressure

44
Q

GHS dangerous for environment

A

red diamond with tree and dead fish; aquatic toxicity

45
Q

GHS toxic

A

red diamond with skull and crossbones; Acute toxicity (fatal or toxic)

46
Q

GHS harmful/irritant

A

red diamond with exclamation mark; irritant, acute toxicity, narcotic effects, respiratory tract irritant, hazardous to ozone layer

47
Q

GHS health hazard

A

red diamond with person having heart attack; carcinogen, mutagenicity, reproductive toxicity, respiratory sensitizer

48
Q

GHS flammable

A

red diamond with fire; flammable, emits flammable gas, self heating

49
Q

what are the five main dangers in the lab

A

cuts and burns, eye damage, fire and explosion, electric shock and poisoning

50
Q

what should you do if you break glassware

A

report it to your teacher, clean it up carefully with dust pan and broom, dispose of it in glass disposal

51
Q

what should you do if you burn yourself

A

place your hand under cold water immediately

52
Q

what should you do if foreign substances gets in your eyes

A

call the teacher, move to eyewash station, flush eyes with water for at least 15 mins, book appointment with family doctory

53
Q

if a fire occur what should you do?

A

call the teacher, stand back, turn off gas, keep calm

54
Q

if a fire occurs in clothing what should you do?

A

stop, drop, and roll, immerse yourself in water (safety shower) and keep calm

55
Q

what is the proper way to smell a substance

A

by wafting, waving the fumes towards you

56
Q

how should test tubes be heated?

A

on an angle facing away from you and others

57
Q

when mixing and acid and water always…

A

and acid and then water and stir slowly

58
Q

what does HHPS stand for

A

hazardous household product system

59
Q

what does WHMIS stand for

A

Workplace hazardous material information system

60
Q

what does GHS stand for

A

globally harmonized system

61
Q

how many symbols did old WHMIS have 1988

A

8 symbols

62
Q

how many symbols does WHMIS 2015 or GHS have

A

9 symbols and biohazardous infectious materials is still used

63
Q
A

biology grade 11 (7 decks)

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