Midterm Practice Test
Flashcard
•
Science
•
8th Grade
•
Hard
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the result of substances being combined in a chemical reaction?
Back
Product
2.
FLASHCARD QUESTION
Front
What do you call two or more substances combined physically (not chemically) that can be separated through physical means?
Back
Mixture
3.
FLASHCARD QUESTION
Front
What is the average atomic mass of Mercury?
Back
200.59
4.
FLASHCARD QUESTION
Front
What type of chemical reaction occurs when two or more reactants are combined to create a more complex product?
Back
Synthesis
5.
FLASHCARD QUESTION
Front
How do you calculate the density of a substance?
Back
Density = Mass/Volume
6.
FLASHCARD QUESTION
Front
What is a catalyst in a chemical reaction?
Back
A substance that increases the rate of a chemical reaction without being consumed.
7.
FLASHCARD QUESTION
Front
What is a compound?
Back
A substance formed when two or more elements are chemically bonded together.
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