
Chemical Reactions Introduction
Flashcard
•
Science
•
6th - 8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What are the products in a chemical reaction?
Back
The substances that are formed as a result of a chemical reaction, found on the right side of a chemical equation.
2.
FLASHCARD QUESTION
Front
What is a chemical equation?
Back
A representation of a chemical reaction using symbols and formulas to show the identities and relative amounts of the reactants and products.
3.
FLASHCARD QUESTION
Front
What is the difference between a chemical change and a physical change?
Back
A chemical change results in the formation of a new substance, while a physical change does not create a new substance.
4.
FLASHCARD QUESTION
Front
What type of reaction is represented by the equation C + O2 → CO2?
Back
Synthesis Reaction, where two or more reactants combine to form a single product.
5.
FLASHCARD QUESTION
Front
True or False: In a chemical reaction, new atoms are created and some atoms are destroyed.
Back
False. In a chemical reaction, no new atoms are created, and no atoms are destroyed.
6.
FLASHCARD QUESTION
Front
What are reactants in a chemical reaction?
Back
The starting substances that undergo a chemical change, found on the left side of a chemical equation.
7.
FLASHCARD QUESTION
Front
What is a chemical formula?
Back
A way of expressing information about the proportions of atoms that constitute a particular chemical compound.
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