INCOMPLETE Gr 8 Unit A Test (Section 1-2) Flashcards
What does WHMIS stand for?
Workplace Hazardous Materials Information System
What is a hazard symbol?
A sign that has a safety warning and a shape to show how hazardous the material is
What is the compressed gas symbol and what does it mean?
It is a picture of a bottle inside a circle. It means that the substance is compressed gas. It is in class A
What are 3 examples of substances with the compressed gas logo?
Propane bottles, butane bottles, and acetylene bottles
What is the poisonous and infectious symbol and what does it mean?
☠️It is the skull and bones inside a circle. It means that the substance is toxic when ingested It is a class D-1 warning
What are 3 examples of substances with the poisonous and infectious symbol?
Bleach, Mr. Clean, and Tide
What is the oxidizing substance symbol and what does it mean?
It is an O with flames on it in a circle. It means that the substance produces oxygen or can oxidize burnable materials so it increases the risk of fire
What are 3 examples of substances with the oxidizing symbol?
Bromine, nitric acid, and peroxides
What is the dangerously reactive symbol and what does it mean?
It is an R with a test tube in the middle with wavy lines coming out of the tube (in a circle). It means that when this chemical is mixed with (an)other chemical(s), there will be harmful side effects
What is an example of chemicals that will react dangerously when mixed?
Mixing bleach, drain cleaner, and ammonia will form a toxic gas
What is the flammable and combustible symbol and what does it mean?
🔥It is a picture of a flame inside a circle. It means that certain substances will react with a flame and burn. If something is highly flammable, it will ignite with little effort
What are 3 examples of a flammable substance?
Gas, oil, and rubbing alcohol
What is the corrosive symbol and what does it mean?
It is a stick dissolving with a substance being poured on it and a hand dissolving with a substance being poured on it (in a circle). It means that the substance can chemically destroy substances
What are 3 examples of corrosive substances?
Bleach, battery acid, and rust removers
What is the Toxic/Infectious symbol and what does it mean?
It is a T with a dot underneath it - like an exclamation mark - inside a circle. It means that the substance could cause delayed toxic effects
What are 2 examples of toxic/infectious materials?
Arsenic and nicotine
What is the biohazardous symbol and what does it mean?
☣️. A biohazardous substance is an organism that can infect humans or animals
What are 3 examples of biohazards?
Human blood, ebola, and salmonella
What shape and colour is used to show that the hazard is dangerous?
A red octagon
What shape and colour is used to show a warning hazard?
An orange diamond
What shape and colour is used to show caution?
A yellow triangle
What are the 8 WHMIS symbols?
Poisonous/Infectious, Toxic/Infectious, Flammable, Oxidizing, Biohazard, Corrosive, Compressed Gas, and Dangerously Reactive
What is a fluid?
Anything that has no fixed shape and can flow. Usually it is a liquid or gas
What is a slurry?
A mixture of water and a solid
What is slurry technology?
The transport of solids in water
True or false: Fluids take the shape of their container
True
What properties of a fluid are important for it to be used?
Density, buoyancy, viscosity and compressibility
What are 2 examples of things originally prepared as a fluid?
Glass and steel
What is a pure substance?
A substance made of only one type of matter. It can only be separated chemically
What is an example of a pure substance?
Distilled water
What is a mixture?
Two or more substances combined together
What is a heterogeneous/mechanical mixture?
Two or more visible substances combined together
What is an example of a mechanical mixture?
Trail mix
What is a homogeneous mixture?
Two or more substances combined together that look like one substance
What is an example of a homogeneous mixture?
Kool-Aid
What are the two types of heterogeneous mixtures?
Colloid and suspension
What is a colloid mixture?
A mixture in which the particles don’t settle at all
What are 2 examples of a colloid mixture?
Milk and butter
