
Reaction Basics Quiz
Authored by Brittanie Smith
Chemistry
10th Grade
Used 4+ times

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52 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a characteristic of an exothermic reaction?
Absorption of heat.
Decrease in temperature.
Release of heat.
Requires heat to proceed.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is entropy in the context of a chemical reaction?
The measure of energy dispersal within a system.
The amount of energy absorbed by the reactants.
The energy required to start a reaction.
The heat released during a reaction.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of reaction involves the breaking of bonds in reactants and the formation of new bonds in products?
Synthesis
Decomposition
Single displacement
Double displacement
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between endothermic and exothermic reactions?
Endothermic reactions release heat, while exothermic reactions absorb heat.
Endothermic reactions absorb heat, while exothermic reactions release heat.
Endothermic reactions require catalysts, while exothermic reactions do not.
Endothermic reactions cannot occur spontaneously, while exothermic reactions can.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a potential energy diagram, what does the peak represent?
The total energy of products
The activation energy required for the reaction
The energy released during the reaction
The equilibrium state of the reaction
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not a factor affecting the rate of a chemical reaction?
Temperature
Catalyst
Color of reactants
Concentration of reactants
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a higher entropy value indicate about a system?
The system is more ordered.
The system is less ordered.
The system has lower energy.
The system is at equilibrium.
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