Section 1 Flashcards
(21 cards)
WHMIS is what…
Workplace Hazardous Materials Information System
List 5 Lab Safety Rules (think of the song Lab Rules;)
- Waft to smell things
- Wear goggles and gloves
- Label Chemicals
- Listen to instructions
- Don’t taste, it’s not yummy
What is matter?
Anything with mass and volume.
What is a physical change?
When the arrangement of the molecules is altered.
Sublimation and deposition are what changes in state of matter?
Sublimation is solid to gas.
Deposition is has to solid
Compressed Gas is…
Gases under extreme pressure, easily explosive.
Flammable/ Combustible Substances can…
Start a fire, or explode.
Oxidizing materials can…
Violently rip electrons from other materials that usually cause fires.
Acutely Toxic and Other Toxic and different because…
Acutely toxic is fatal and very poisonous and can cause immediate damage/ death.
Other toxic is still poisonous, happens overtime, not immediate life threatening.
Biohazardous Infectious Material is better known as…
CoRoNA VirUS
jk. A material that have living agents and can infect you with a disease, infection or virus.
Corrosive Material can…
Dissolve metal or human flesh, usually a strong acid or base
Why is a dangerously reactive material dangerous?
It can react violently with themselves or with other chemicals:)
A physical change is what?
When the molecules arrangement is altered.
What is malleability?
How well a substance can be rolled or pounded into sheets.
What is ductility?
How well a substance can be stretched into a long wire.
What is the difference between a compound and an element?
A compound is different elements in the same compound (duh)
A element is one element (yet again, duh)
A suspension mixture is like your favourite ranch or salad dressing. Why?
There are things floating around in another thing.
Even though milk is NASTY, it is a colloid. What is a colloid?
A cloudy mixture that can’t be easily separated.
What are the four signs of a chemical reaction?
Change of colour, change of odor, formation of a solid or gas, release or absorption of heat
What is a chemical change?
When a new element is created.
Yeah section 1 sucks doesn’t it?
yes, yes it does:((