Chemical Reactions
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What are the starting materials in a chemical reaction?
Back
Reactants
2.
FLASHCARD QUESTION
Front
What must be true for a chemical equation to be balanced?
Back
There must be an equal amount of atoms on both sides.
3.
FLASHCARD QUESTION
Front
What effect does grinding a seltzer tablet into powder have on the rate of reaction?
Back
It increases the surface area.
4.
FLASHCARD QUESTION
Front
What are the substances listed on the right side of a chemical equation called?
Back
Products
5.
FLASHCARD QUESTION
Front
What is a chemical reaction?
Back
A process in which atoms rearrange to form new substances.
6.
FLASHCARD QUESTION
Front
What is the law of conservation of mass?
Back
Mass is neither created nor destroyed in a chemical reaction.
7.
FLASHCARD QUESTION
Front
What is a catalyst?
Back
A substance that increases the rate of a chemical reaction without being consumed.
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