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Definitions
Symbols
Pre-Quiz 1
S-Words
Post-Quiz 1
100
Anything that has mass and takes up space.
Matter
100
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Warning Poison
100
As the temperature increases, what happens to the speed of particle movement?
They move faster.
100
A diluted solution has a low concentration of _______.
Solute
100
True or False: Neon is a pure substance.
True
200
The substance that gets dissolved to form a solution.
Solute
200
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Danger Flammable
200
In salt water, what is the solute and what is the solvent?
Solute = salt; solvent = water
200
A solution that contains more solute than would be found in a saturated solution is called ____________.
Supersaturated
200
What does a low pH indicate?
The substance is acidic.
300
Another name for a heterogeneous mixture.
Mechanical Mixture
300
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Corrosive material
300
Name three factors that affect the rate of dissolving.
Temperature, size of solute particles, type of solvent, amount of shaking/stirring
300
_________ solutions have all spaces between solvent particles filled by solute.
Saturated
300
Glass is a supercooled liquid made from what?
Quartz
400
Water that contains small amounts of dissolved minerals.
Soft Water
400
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Poisonous and infecteous material -- delayed effects.
400
What is the difference between a pure substance and a mixture?
A pure substance consists of only one type of particle while a mixture has two or more particles.
400
During ____________, gas is often used to keep people unconscious by breathing a gas solution containing oxygen and other gases such as nitrous oxide.
Surgery
400
A person who studies metals is called what?
Mettallurgist
500
A combination of two or more metals.
Alloy
500
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Biohazardous infectious material
500
How does a small amount of sugar dissolve in a container of water?
The sugar particles are attracted to the water particles and they move into the spaces between the water particles, resulting in a homogeneous mixture or solution.
500
Another name for a homogeneous mixture.
Solution
500
Brick, pottery, and cement are all examples of what?
Ceramics