Terms

Question 1

Acids

Answer 1

Substances having a pH below 7.0; has an extra hydrogen ion

Question 2

Aerosols

Answer 2

The vapourization or dispersion of liquid droplets, solid particles, and combustions of these in a fine spray or mist

Question 3

Autoclave

Answer 3

Sterilizing chamber which uses high temperature, high pressure stream

Question 4

Bases

Answer 4

Substances having a pH above 7.0; slippery to touch in an aqueous solution

Question 5

Biohazard

Answer 5

Biological substances that pose a threat to the health of living organisms

Question 6

Blood-borne pathogens

Answer 6

Infectious microorganisms in human blood that can cause disease in humans

Question 7

Carcinogenicity

Answer 7

Ability or tendency of a substance/agent to directly cause cancer

Question 8

Centrifuge

Answer 8

Machine with a rapidly rotating container that applies centrifugal force to separate fluids of different densities or liquids from solids

Question 9

Chemical hazards

Answer 9

Inherent hazards associated with chemicals within the workplace

Question 10

Corrosives

Answer 10

Substances that can damage and destroy body tissues or other materials

Question 11

Cryogenic agents

Answer 11

Substance that can be used to cool an object to cryogenic temperatures (below -150 degrees C)

Question 12

Disinfectants

Answer 12

Liquid chemical that is able to destroy bacteria

Question 13

Flash point

Answer 13

Temperature at which a particular compound gives off enough vapour to ignite in air

Question 14

Fume hood

Answer 14

Ventilated enclosure, typically a laboratory, in which harmful chemicals can be used or kept

Question 15

Hazardous wastes

Answer 15

Wastes with properties that make them dangerous or potentially harmful to human health or the environment

Question 16

Insidious

Answer 16

Dangerous and gradually develops without being noticed; hidden hazard

Question 17

Material safety data sheet (MSDS)

Answer 17

Summary of the potential hazards of a substance, instructions on how to work safely with the substance, and first aid instructions

Question 18

Oxidizing material

Answer 18

Source of oxygen or other oxidizing elements; oxidizers

Question 19

Radiation

Answer 19

Energy that comes from a source and travels through material or space

Question 20

Ultraviolet

Answer 20

Light having wavelengths between 180-390nm

Question 21

WHMIS

Answer 21

Workplace Hazardous Materials Information System; national hazard communication standard