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Science > INCOMPLETE Gr 8 Unit A Test (Section 1-2) > Flashcards

INCOMPLETE Gr 8 Unit A Test (Section 1-2) Flashcards

1
Q

What does WHMIS stand for?

A

Workplace Hazardous Materials Information System

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2
Q

What is a hazard symbol?

A

A sign that has a safety warning and a shape to show how hazardous the material is

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3
Q

What is the compressed gas symbol and what does it mean?

A

It is a picture of a bottle inside a circle. It means that the substance is compressed gas. It is in class A

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4
Q

What are 3 examples of substances with the compressed gas logo?

A

Propane bottles, butane bottles, and acetylene bottles

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5
Q

What is the poisonous and infectious symbol and what does it mean?

A

☠️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

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6
Q

What are 3 examples of substances with the poisonous and infectious symbol?

A

Bleach, Mr. Clean, and Tide

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7
Q

What is the oxidizing substance symbol and what does it mean?

A

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

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8
Q

What are 3 examples of substances with the oxidizing symbol?

A

Bromine, nitric acid, and peroxides

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9
Q

What is the dangerously reactive symbol and what does it mean?

A

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

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10
Q

What is an example of chemicals that will react dangerously when mixed?

A

Mixing bleach, drain cleaner, and ammonia will form a toxic gas

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11
Q

What is the flammable and combustible symbol and what does it mean?

A

🔥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

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12
Q

What are 3 examples of a flammable substance?

A

Gas, oil, and rubbing alcohol

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13
Q

What is the corrosive symbol and what does it mean?

A

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

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14
Q

What are 3 examples of corrosive substances?

A

Bleach, battery acid, and rust removers

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15
Q

What is the Toxic/Infectious symbol and what does it mean?

A

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

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16
Q

What are 2 examples of toxic/infectious materials?

A

Arsenic and nicotine

17
Q

What is the biohazardous symbol and what does it mean?

A

☣️. A biohazardous substance is an organism that can infect humans or animals

18
Q

What are 3 examples of biohazards?

A

Human blood, ebola, and salmonella

19
Q

What shape and colour is used to show that the hazard is dangerous?

A

A red octagon

20
Q

What shape and colour is used to show a warning hazard?

A

An orange diamond

21
Q

What shape and colour is used to show caution?

A

A yellow triangle

22
Q

What are the 8 WHMIS symbols?

A

Poisonous/Infectious, Toxic/Infectious, Flammable, Oxidizing, Biohazard, Corrosive, Compressed Gas, and Dangerously Reactive

23
Q

What is a fluid?

A

Anything that has no fixed shape and can flow. Usually it is a liquid or gas

24
Q

What is a slurry?

A

A mixture of water and a solid

25
Q

What is slurry technology?

A

The transport of solids in water

26
Q

True or false: Fluids take the shape of their container

A

True

27
Q

What properties of a fluid are important for it to be used?

A

Density, buoyancy, viscosity and compressibility

28
Q

What are 2 examples of things originally prepared as a fluid?

A

Glass and steel

29
Q

What is a pure substance?

A

A substance made of only one type of matter. It can only be separated chemically

30
Q

What is an example of a pure substance?

A

Distilled water

31
Q

What is a mixture?

A

Two or more substances combined together

32
Q

What is a heterogeneous/mechanical mixture?

A

Two or more visible substances combined together

33
Q

What is an example of a mechanical mixture?

A

Trail mix

34
Q

What is a homogeneous mixture?

A

Two or more substances combined together that look like one substance

35
Q

What is an example of a homogeneous mixture?

A

Kool-Aid

36
Q

What are the two types of heterogeneous mixtures?

A

Colloid and suspension

37
Q

What is a colloid mixture?

A

A mixture in which the particles don’t settle at all

38
Q

What are 2 examples of a colloid mixture?

A

Milk and butter

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