Chapter 19 chemical reactions
Flashcard
•
Science
•
9th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a chemical reaction?
Back
A change in which one or more substances are converted into new substances.
2.
FLASHCARD QUESTION
Front
What does the term 'release' mean in an academic context?
Back
To set free from confinement or restraint.
3.
FLASHCARD QUESTION
Front
What are reactants in a chemical reaction?
Back
The substances that react in a chemical reaction.
4.
FLASHCARD QUESTION
Front
What is a decomposition reaction?
Back
A reaction in which one substance breaks down into two or more substances.
5.
FLASHCARD QUESTION
Front
What is a displacement reaction?
Back
A reaction in which one element replaces another element in a compound.
6.
FLASHCARD QUESTION
Front
What is a synthesis reaction?
Back
A reaction in which two or more substances combine to form another substance.
7.
FLASHCARD QUESTION
Front
What is the law of conservation of mass?
Back
In a chemical reaction, mass is neither created nor destroyed.
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