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 where substances (reactants) undergo a transformation to form new substances (products).
2.
FLASHCARD QUESTION
Front
What is evidence of a chemical reaction?
Back
Indicators such as color change, temperature change, gas production, or formation of a precipitate.
3.
FLASHCARD QUESTION
Front
What does the arrow in a chemical equation represent?
Back
It indicates the direction of the reaction, showing reactants transforming into products.
4.
FLASHCARD QUESTION
Front
What is a reactant?
Back
A substance that is consumed during a chemical reaction.
5.
FLASHCARD QUESTION
Front
What is a product?
Back
A substance that is produced as a result of a chemical reaction.
6.
FLASHCARD QUESTION
Front
What is the law of conservation of mass?
Back
In a chemical reaction, mass is neither created nor destroyed; it remains constant.
7.
FLASHCARD QUESTION
Front
What is a precipitate?
Back
A solid that forms and settles out of a liquid mixture during a chemical reaction.
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