Chemical Reactions
Flashcard
•
Chemistry
•
8th 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 process in which atoms rearrange to form new substances.
2.
FLASHCARD QUESTION
Front
What are reactants in a chemical equation?
Back
The starting substances that undergo a chemical change.
3.
FLASHCARD QUESTION
Front
What is produced in a chemical reaction?
Back
New substances formed as a result of the rearrangement of atoms.
4.
FLASHCARD QUESTION
Front
What is the law of conservation of mass?
Back
In a chemical reaction, mass is neither created nor destroyed.
5.
FLASHCARD QUESTION
Front
What is a physical change?
Back
A change that affects one or more physical properties of a substance without altering its chemical composition.
6.
FLASHCARD QUESTION
Front
What is a chemical change?
Back
A change that results in the formation of new chemical substances.
7.
FLASHCARD QUESTION
Front
What is an example of a chemical change?
Back
Burning paper, which produces ash and gases.
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