Grade 8 8G Review
Authored by Mr. Fielden
Chemistry
7th - 9th Grade
Used 19+ times
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40 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Metals and non-metals can be differentiated by their .....
physical properties
acidity
boiling points
mass
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which qualities are associated with metals?
Good conductor of heat
Brittle
Flexible
Shiny
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
The burning of wax in this image is a....
chemical change
physical change
chemical reaction
physical reaction
Answer explanation
A chemical change has occurred when a new substance has formed. Chemical changes occur during chemical reactions.
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Most metals will react with...
Oxygen
Copper
Halogens
Iron
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
"Speed of reaction" refers to...
How long a reaction takes to finish
The rate of reaction
The amount of seconds for half of the reaction finish
How fast a reaction will move forward (proceed)
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which feature(s) describe catalysts?
Change the rate of reaction
Must be a metal
Are used up in the reaction
Are required for a reaction to occur
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Corrosion is the reaction of ________ with metal and occurs ________
oxygen; on the surface only
Water; on the surface only
Oxygen; anywhere on the metal
Water; anywhere on the metal
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