
Chemical Reactions Test
Flashcard
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a decomposition reaction?
Back
A decomposition reaction is a type of chemical reaction where one reactant breaks down into two or more products.
2.
FLASHCARD QUESTION
Front
What is a double replacement reaction?
Back
A double replacement reaction is a type of chemical reaction where two compounds exchange ions or bonds to form two new compounds.
3.
FLASHCARD QUESTION
Front
What are the coefficients needed to balance the equation N₂ + H₂ → NH₃?
Back
The coefficients needed are 1 for N₂, 3 for H₂, and 2 for NH₃.
4.
FLASHCARD QUESTION
Front
What is a single displacement reaction?
Back
A single displacement reaction is a type of chemical reaction where one element displaces another in a compound.
5.
FLASHCARD QUESTION
Front
What is the general form of a decomposition reaction?
Back
The general form of a decomposition reaction is AB → A + B, where AB is a compound that breaks down into its elements.
6.
FLASHCARD QUESTION
Front
What is the general form of a double replacement reaction?
Back
The general form of a double replacement reaction is AB + CD → AD + CB, where two compounds exchange components.
7.
FLASHCARD QUESTION
Front
What is the significance of balancing chemical equations?
Back
Balancing chemical equations is important because it ensures the law of conservation of mass is upheld, meaning the number of atoms of each element is the same on both sides of the equation.
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