Chemical Reactions

Flashcard
•
Science
•
7th Grade
•
Hard
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12 questions
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1.
FLASHCARD QUESTION
Front
A process in which atoms rearrange to form new substances.
Back
chemical reaction
2.
FLASHCARD QUESTION
Front
A substance produced during a chemical reaction
Back
Product
3.
FLASHCARD QUESTION
Front
A solid formed from a solution during a chemical reaction is called a
Back
precipitate
4.
FLASHCARD QUESTION
Front
Magnesium and oxygen combine to form magnesium oxide, the magnesium and oxygen are:
Back
reactants
5.
FLASHCARD QUESTION
Front
How do you know a reaction has happened?
Back
The atoms were rearranged to form new molecules.
6.
FLASHCARD QUESTION
Front
Everytime two substances are mixed together a chemical reaction occurs.
Back
False
7.
FLASHCARD QUESTION
Front
A chemical reaction must have at least two reactants.
Back
False
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