CHM2045L FINAL Exam Safety w/ pics

You can always tell if an object is hot by looking at it (T/F)

False

Long hair should be tied back when using a Bunsen burner (T/F)

True

Flame temperature can be adjusted by:

-adjusting the gas flow by turning the handle on the natural gas valve

-adjusting the metal collar on the burner

Hot objects can be placed directly on the lab bench top to cool (T/F)

False

It is important to check glassware for scratches, nicks, and cracks before heating (T/F)

True

Magnesium is considered flammable (T/F)

True

Magnesium reacts with water and acid solutions (T/F)

True

It is safe to wash with one if one's skin is exposed to magnesium chloride solution (T/F)

True

Magnesium Chloride solution is considered flammable (T/F)

False

Hydrogen gas is considered a carcinogen (T/F)

False

Hydrogen gas is considered an asphyxiant (T/F)

True

Hydrogen gas is considered flammable (T/F)

True

Both acids and bases can be corrosive (T/F)

True

Halogens are unreactive (T/F)

False

Mercury is readily absorbed through the skin (T/F)

False

Oxidizing agents and reducing agents should be stored close to one another for safety (T/F)

False

Peroxides can be stored indefinitely (T/F)

False

Pyrophoric substances can burn spontaneously in air (T/F)

True

Flammable liquids should be used with care near sources of ignition (T/F)

True

Cryogenics are stored at high temperatures (T/F)

False

Electricity can be hazardous (T/F)

True

What does the "Skull and Crossbones" mean on an SDS?

-Acute Toxicity (fatal or toxic)

What does an "Exclamation Mark" mean on an SDS?

-Irritant (skin and eyes)

-Skin Sensitizer

-Acute Toxicity

-Narcotic Effects

-Respiratory Tract Irritant

-Hazardous to Ozone Layer (Non-Mandatory)

Health Hazard

-Carcinogen

-Mutagenicity

-Reproductive Toxicity

-Respiratory Sensitizer

Target Organ Toxicity

Flame

-Flammables

-Pyrophorics

-Self-Heating

-Emits Flammable Gas

-Self Reactives

-Organic Peroxide

Gas Cylinder

-Gases under pressure

Corrosion

-Skin Corrosion/Burns

-Eye Damage

-Corrosive to Metals

Exploding Bomb

-Explosives

-Self-Reactives

-Organic Peroxides

Flame Over Circle

-Oxidizers

Environment (Non-Mandatory)

-Aquatic Toxicity

What happens when silver nitrate is heated to composition?

may emit toxic fumes

What should be used to extinguish a fire containing silver nitrate?

Water

Is silver nitrate light sensitive?

Yes

What color is silver nitrate?

Colorless

What effect does silver nitrate have on aquatic species?

Toxic

What is the melting point of 1-naphthol, according to the SDS

96 C

Is 1-naphthol air and/or light sensitive?

both air and light sensitive

What is the best definition of asphyxiant?

Can result in suffocation

What is the best definition of a lachrymator

Can irritate eyes and cause tearing

What is the best definition of teratogen?

Can cause birth defects

What is the best definition of mutagen?

Can cause genetic mutation

Which is the best definition of corrosive?

Can cause damage to living tissue

What is the best definition of cryogenic?

Being or related to very low temperature

NFPA?

Safety Glasses vs Safety Goggles

Looks like glasses

Looks like goggles

Which form of eye protection is most appropriate for use in the general chemistry lab?

Safety glasses or goggles