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Chem > Lab Safety > Flashcards

Lab Safety Flashcards

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1
Q

The lab or classroom is to be used for

A

Serious work

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2
Q

Study your lab assignment

A

Before you come to the lab

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3
Q

If you are in doubt about a procedure

A

Ask your teacher for help

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4
Q

Follow all

A

Oral and written directions and note all cautions given for specific experiments

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5
Q

Lab areas should not be

A

Cluttered with unnecessary books, articles, clothing or lab-ware

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6
Q

Unauthorized experiments must

A

Never be performed

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7
Q

Unless directed to do so

A

Never mix or heat chemicals

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8
Q

Students should not

A

Attempt any experiments at home without proper instruction and supervision.

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9
Q

(Pg 34/2) no student is to

A

Remove any equipment and/or especially chemicals from a laboratory

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10
Q

(Pg 34/2) wear the

A

Safety equipment provided for you

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11
Q

(Pg 34/2) safety goggles or

A

Non-breakable prescription eye goggles must be worn

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12
Q

Safety glasses are absolutely required when

A

Working with caustics, heating liquids or solids, hammering solid materials, dissecting or for any similar procedure, which might have a tendency to cause damage to the eyes

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13
Q

Should anything in the eye

A

Notify the teacher immediately

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14
Q

Know the location of the

A

Fire extinguisher, fire blanket, eyewash, and nearest emergency shower and health office

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15
Q

Back away from

A

Bench fires and call the teacher

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16
Q

If clothing should catch on fire

A

Smother it with fire blanket or extinguisher (directed away from face) or quench it under safety shower

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17
Q

Inspect all glassware for

A

Cracks or breakage before beginning lab work

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18
Q

Broken glass should be

A

Swept up immediately with broom and dustpan

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19
Q

A wet was if paper towel can be used to

A

Pick up splinters

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20
Q

Never throw broken glass in

A

Waste paper basket

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21
Q

Place broken glass and solid substances in

A

Designated containers

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22
Q

Keep…. Out of the

A

Insoluble waste materials out of the sink

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23
Q

Be as careful and clean as possible in the

A

Use or all laboratory equipment

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24
Q

Students should

A

Wash up after working in the laboratory

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25
Q

Do not

A

Eat in the lab

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26
Q

Do not — from

A

Drink from lab glassware or utensils

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27
Q

Do not put anything

A

In your mouth in the lab

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28
Q

Learn in general to keep

A

Hands paper pencils and other objects away from your face and mouth

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29
Q

Know what you are

A

Doing at all times. Be aware of what neighboring students are doing

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30
Q

Report any

A

Accident injury or incorrect procedure to your teacher at once

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31
Q

Never be a

A

Practical joker in the laboratory

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32
Q

Never

A

Run in the lab

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33
Q

Think before

A

You act

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34
Q

Handle chemicals

A

Carefully

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35
Q

Check the

A

Labels on bottles before removing contents

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36
Q

Do not return

A

Unused chemicals to reagent bottles unless directed to do so

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37
Q

Liquids are to be

A

Transferred over a sink

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38
Q

Do not set

A

Stoppers on the bench

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39
Q

Be sure to

A

Wipe reagent bottles after use

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40
Q

Follow specific instructions from your teacher for

A

Piper techniques

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41
Q

Do not pour

A

Liquids from a wide mouth container to a narrow mouth

42
Q

Do not

A

Exchange stoppers of bottles

43
Q

Never taste any

A

Chemical substance unless you are directed soecifically by your teacher to do so

44
Q

Never draw

A

Poisonous materials into piper with your mouth

45
Q

Use piper bulb

A

Whenever possible

46
Q

When observing the odor of a substance do not

A

Hold your face directly over the container. Fan a small amount of vapor toward you by sweeping your hand over the top of the container

47
Q

Only under the direction of your teacher should you handle

A

Toxic or combustible gasses; use fume hood when handling such materials and be sure room is well ventilated

48
Q

When a gas is collected by water displacement make certain that

A

Delivery tubes are not clogged

49
Q

Upon completing gas collection

A

Remove delivery tube from collecting tub before removing heat from any generating flask

50
Q

Never point a test tube being heated or when in which a reaction is occurring

A

At another person or yourself

51
Q

Do not hear liquids in

A

Containers more than 2/3 full. Use next largest container

52
Q

Handle

A

Combustible materials carefully

53
Q

Hearing of flammable materials should

A

Be done in an electric hot plate or double boiler

54
Q

Hair of shoulder length is k

A

Be tied back when flames are being used and loose clothing is to be avoided

55
Q

Open sandals are

A

Not to be worn

56
Q

Place hot items on

A

Heat resistant material

57
Q

Burners are to be

A

Turned off when not in immediate use

58
Q

Should a bunson burner strike back

A

Shut off main has valve immediately

59
Q

Keep burners in the

A

Center or desk at all times

60
Q

When lighting burners

A

Be careful not to let the gas escape too long before lighting

61
Q

While performing chemical experiments students should

A

Place their stools under lab tables and stand until they have completed the lab

62
Q

Know the correct procedure for

A

Mixing acid solutions

63
Q

Always add acid

A

Slowly to water. Never water to acid

64
Q

Should acid or another corrosive chemical

A

Spill in hands clothing bench or floor flush immediately with water. Notify teacher immediately

65
Q

Cut glass should be

A

Fire polished before use

66
Q

Observe appropriate procedure when cutting

A

Cutting glass tube or rod

67
Q

Allow fire polished glass to

A

Cool on heat resistant material before using

68
Q

Before inserting glass tuning in stoppers

A

Lubricants glass with small amount of water or glycerine. Protect hands with moist paper towel. Observe proper procedure as directed by your teacher. Never use force

69
Q

When usin electric current

A

Avoid having both hands on contact with “live” sections of circuit.

70
Q

Avoid live contact with

A

Bare metal

71
Q

Electrical equipment must never be

A

Handled with wet hands or while user is standing in water

72
Q

Do not yank

A

Plugs from outlets by holding water

73
Q

All electrical circuits must be

A

Checked by teacher before proceeding with lab work

74
Q

Never use

A

Frayed cords

75
Q

Never handle lab animals without

A

Specific directions from teacher

76
Q

Never poke fingers or hands into

A

Cages fish tanks and or terrariums

77
Q

Gloves are recommended when handling lab animals to

A

Prevent bites

78
Q

Pointed (probes) and:or sharp (scalpel) instruments are to be

A

Handled with utmost care and only as directed by teacher

79
Q

Wear gloves when

A

Dissecting or working with live cultures

80
Q

Wash all dissecting instruments after

A

Use and dispose of all solid waste

81
Q

In case a live culture is spilled

A

Notify the instructor immediately and disinfect your hands

82
Q

Always sterilize cultures before

A

Disposing of them. Your instructor will direct how this is to be done

83
Q

Dispose of liquid waste and agar only in

A

The containers provided for this purpose

84
Q

At the conclusion of the lab periods

A

Return all equipment to its place and wash desk tops with disinfectant

85
Q

When lab work is completed

A

Be sure to turn off water and gas. Clean work area. Use remaining time to work on your lab report

86
Q

If a cut is slight and bleeding is not profuse

A

Examine cut for pieces of broken glass

87
Q

Remove any pieces of glass in cut with

A

Forceps clean with soap and water and apply an antiseptic bandage

88
Q

If bleeding is profuse and does not stop within a few minutes

A

Cover wound with thick sterile pad and apply constant pressure

89
Q

If poisoned induce vomiting except in

A

Case of acid or base poisoning) by having a person drink warm salt or soap solution

90
Q

Make sure you give the suspect poisoning agent bottle to the

A

School nurse, first aid squad, or doctor to take them to the hospital

91
Q

For poisoning follow

A

Antidote on bottle of prescribed and available

92
Q

In case of electric shock do not

A

Touch person if they are still in contact with electric circuit. Notify teacher immediately. Call school nurse a doctor and the principal

93
Q

In case of fainting or collapse give person

A

Fresh air and recline so that head is lower than body. Notify teacher

94
Q

In case of shock keep person

A

Lying down, warm, and elevate feet. Call school nurse a doctor and the principal

95
Q

Report all accidents or injuries to

A

Your teacher at once

96
Q

If heat burn is slight

A

Apply cold water

97
Q

If heat burn is serious

A

Call school nurse or doctor and principal. Apply thick dry sterile dressing. Don’t break any blisters to clean burn

98
Q

If clothing adheres to burned surface

A

Don’t attempt to remove it but cut around adhering portion

99
Q

If acid or base splashes on skin

A

Wash with plenty of water until help arrives and don’t stop until nurse/doctor takes over

100
Q

If acid or base splashes in eyes

A

Wash eye with eyewash until help arrives and don’t stop until nurse/ doctor takes over

Chem (54 decks)

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