
Chemical Reaction Quiz
Authored by LEA JACINTO
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the suggestion of Svante Arrhenius in 1888 about chemical reaction?
Activated complex is located at the peak of the energy diagram for a reaction.
Catalyst may be recovered unchanged at the end of the process.
Particles must possess a certain minimum amount of kinetic energy in order to react.
Smaller pieces have a greater surface area, thus, providing much greater contact among the reactants and effecting more collisions.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements best describes Collision Theory?
Atoms or molecules must collide with sufficient amount of energy in order to react.
Catalyst can be recovered unchanged at the end of the process
Increasing the concentration of a reactant increases the rate of reaction.
Smaller pieces have a greater surface area, thus, providing much greater contact among the reactants and effecting more collisions.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How will you increase the rate of a chemical reaction?
add catalyst
decrease the concentration of reactants
decrease the temperature of reactants
increase the surface area of reactants
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The amount of energy required to break the bonds between the reacting molecules is known as _______.
Activated Complex
Activation Energy
Collision Theory
Law of Conservation of Mass
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
One of the factors that affect the rate of chemical reaction is concentration of solution. Describe this factor.
It is the measure of the number of particles of solute in a given volume of solution.
It is located at the peak of the energy diagram for a reaction.
It is the amount of energy needed for molecules to react.
It is needed to break the bonds of the reactants to form new products or new substances.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What refers to the peak of the energy diagram for a chemical reaction?
Activated Complex
Activation Energy
Collision Theory
Law of Conservation of Mass
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How will crushing a solid into a powder increase reaction rate?
The activation energy barrier will be lowered.
The orientation of colliding particles will be improved.
The particles will collide with more energy.
The powdered form has more surface area.
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