7.2 Reactions Practice
Flashcard
•
Chemistry
•
10th - 12th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What type of reaction involves the breaking down of a substance into simpler substances?
Back
Decomposition reaction.
2.
FLASHCARD QUESTION
Front
What type of reaction involves substances combining to form a new compound?
Back
Synthesis reaction.
3.
FLASHCARD QUESTION
Front
What do the coefficients in a chemical equation represent?
Back
The number of moles of each substance involved in the reaction.
4.
FLASHCARD QUESTION
Front
What do the subscripts in a chemical formula indicate?
Back
The number of atoms of each element in a molecule.
5.
FLASHCARD QUESTION
Front
What is a single replacement reaction?
Back
A reaction where one element replaces another in a compound.
6.
FLASHCARD QUESTION
Front
What is a double replacement reaction?
Back
A reaction where two compounds exchange ions to form two new compounds.
7.
FLASHCARD QUESTION
Front
What is a combustion reaction?
Back
A reaction that involves the burning of a substance in the presence of oxygen, producing heat and light.
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