Intro to Chemical Reactions
Flashcard
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What does the symbol (aq) represent in a chemical equation?
Back
(aq) indicates that a substance is dissolved in water.
2.
FLASHCARD QUESTION
Front
What type of change occurs when a substance transforms into a different substance?
Back
Chemical change.
3.
FLASHCARD QUESTION
Front
Define a chemical reaction.
Back
A process in which one or more substances rearrange to form a new substance.
4.
FLASHCARD QUESTION
Front
What is a chemical equation?
Back
A representation that describes a chemical reaction using symbols and formulas.
5.
FLASHCARD QUESTION
Front
What does the symbol (l) indicate in a chemical equation?
Back
(l) indicates that a substance is a liquid.
6.
FLASHCARD QUESTION
Front
What is the difference between a physical change and a chemical change?
Back
A physical change does not alter the identity of a substance, while a chemical change results in the formation of new substances.
7.
FLASHCARD QUESTION
Front
What is a reactant in a chemical reaction?
Back
A substance that undergoes change during a chemical reaction.
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