Chemical Reactions
Flashcard
•
Science
•
7th - 8th Grade
•
Hard
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a chemical change?
Back
A chemical change is a process where substances combine or break apart to form new substances with different properties, such as burning paper.
2.
FLASHCARD QUESTION
Front
What is the Law of Conservation of Mass?
Back
The Law of Conservation of Mass states that matter cannot be created or destroyed in a chemical reaction; it can only change forms.
3.
FLASHCARD QUESTION
Front
What happens to the mass of reactants and products in a chemical reaction?
Back
The total mass of the reactants equals the total mass of the products.
4.
FLASHCARD QUESTION
Front
What is a reactant?
Back
A reactant is a substance that undergoes a chemical change in a reaction.
5.
FLASHCARD QUESTION
Front
What is a product?
Back
A product is a substance that is formed as a result of a chemical reaction.
6.
FLASHCARD QUESTION
Front
What is a precipitate?
Back
A precipitate is a solid that forms when two liquids react with each other.
7.
FLASHCARD QUESTION
Front
What is an example of a physical change?
Back
Cutting a piece of paper is an example of a physical change.
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