
Chemical Reactions
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
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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 type of reaction is represented by AB → A + B?
Back
Decomposition
3.
FLASHCARD QUESTION
Front
How many Hydrogen atoms are in 4H₂O?
Back
8
4.
FLASHCARD QUESTION
Front
What is a substance that is formed as the result of a chemical reaction?
Back
Product
5.
FLASHCARD QUESTION
Front
Balance the equation: _K + _Cl₂ → _KCl
Back
2 K + 1 Cl₂ → 2 KCl
6.
FLASHCARD QUESTION
Front
What is a chemical reaction?
Back
A process that involves the transformation of one or more substances into different substances.
7.
FLASHCARD QUESTION
Front
What is the law of conservation of mass?
Back
In a chemical reaction, mass is neither created nor destroyed.
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