EHS101 WHMIS AND LAB SAFETY UPDATED
COMPLETE QUESTIONS AND ANSWERS
PREMIUM LEARNING COMPANION
●● What makes a chemical hazardous?
Answer: Chemical properties, physical properties, physical state, and
toxicity
●● What is an example of a flammable chemical?
Answer: Methanol
●● What is an example of a corrosive chemical?
Answer: Hydrochloric acid
●● What does it mean for a chemical to be volatile?
Answer: It has a low boiling point and easily evaporates into the air
●● Name two volatile chemicals.
Answer: Benzene and formaldehyde
●● What are the physical states a chemical can exist in?
Answer: Solid, liquid, gas, or aerosol
,●● What is liquid nitrogen used for?
Answer: To preserve blood components and biological specimens
●● What temperature does liquid nitrogen reach?
Answer: -200°C
●● What is dry ice?
Answer: Solid carbon dioxide
●● What is the temperature of dry ice?
Answer: -78.5°C
●● What does it mean for a chemical to be carcinogenic?
Answer: It is known to cause cancer
●● What does teratogenic mean?
Answer: Known to cause fetal abnormalities
●● Name a common carcinogenic chemical found in labs.
Answer: Formaldehyde
, ●● Dose
Answer: The amount of exposure to a chemical.
●● Duration of exposure
Answer: The length of time a person is exposed to a chemical.
●● Route of entry
Answer: The method by which a chemical enters the body: inhalation,
skin absorption, injection, or ingestion.
●● Interactions with other chemicals
Answer: Any effects that occur when a chemical interacts with other
substances.
●● Manner of handling
Answer: The way in which a chemical is managed or manipulated.
●● Individual's susceptibility
Answer: The degree to which a person is affected by exposure to a
chemical.
●● Inhalation
COMPLETE QUESTIONS AND ANSWERS
PREMIUM LEARNING COMPANION
●● What makes a chemical hazardous?
Answer: Chemical properties, physical properties, physical state, and
toxicity
●● What is an example of a flammable chemical?
Answer: Methanol
●● What is an example of a corrosive chemical?
Answer: Hydrochloric acid
●● What does it mean for a chemical to be volatile?
Answer: It has a low boiling point and easily evaporates into the air
●● Name two volatile chemicals.
Answer: Benzene and formaldehyde
●● What are the physical states a chemical can exist in?
Answer: Solid, liquid, gas, or aerosol
,●● What is liquid nitrogen used for?
Answer: To preserve blood components and biological specimens
●● What temperature does liquid nitrogen reach?
Answer: -200°C
●● What is dry ice?
Answer: Solid carbon dioxide
●● What is the temperature of dry ice?
Answer: -78.5°C
●● What does it mean for a chemical to be carcinogenic?
Answer: It is known to cause cancer
●● What does teratogenic mean?
Answer: Known to cause fetal abnormalities
●● Name a common carcinogenic chemical found in labs.
Answer: Formaldehyde
, ●● Dose
Answer: The amount of exposure to a chemical.
●● Duration of exposure
Answer: The length of time a person is exposed to a chemical.
●● Route of entry
Answer: The method by which a chemical enters the body: inhalation,
skin absorption, injection, or ingestion.
●● Interactions with other chemicals
Answer: Any effects that occur when a chemical interacts with other
substances.
●● Manner of handling
Answer: The way in which a chemical is managed or manipulated.
●● Individual's susceptibility
Answer: The degree to which a person is affected by exposure to a
chemical.
●● Inhalation
