Unit 1 test

Caustic

Substances that eat away living tissue.

Asphyxiant

Causing a lack of oxygen to the blood.

Corrosive

Substances that eat away material (usually metal, but not always!)

Flashpoint

The temperature where a material releases a vapor that can be ignited by a flame or spark.

Acute health hazard

Immediate effects on the body

Chronic health hazards

Have a long lasting effect on the body (usually due to long term exposure)

Irritant

Substance that causes inflammation or discomfort to the tissue.

Mutagen

Substance that causes a cellular change in DNA.

Oxidizer

A substance that facilitates or brings about a reaction with oxygen, may cause fires or flames to get bigger.

Stability

Substances that “sit at low energy states” and tend not to react.

Reactivity

How easily a substance undergoes a chemical change.

Combustible

Able to be ignited (SOLIDS)

Explosive

Jack violently, releasing light sound, and gas

Flammable

easily set on fire (LIQUIDS)

Pyrophoric

Can spontaneously ignite on air or with friction

Hemolytic

A substance that can damage blood cells.

Volatile

Liquid substance that evaporates readily at normal temperatures.

Density equation

D=m/v