Rate of reaction
Authored by LK Lee
Chemistry
11th Grade
NGSS covered
Used 3K+ times
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15 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which factors affect the rate of a reaction?
temperature
concentration
size
pressure
catalyst
Tags
NGSS.HS-PS1-5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Increase in temperature causes the particles to
slow down
move faster
stay apart from each other
move in the correct order
Tags
NGSS.HS-PS1-5
NGSS.HS-PS3-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does a higher concentration increase the rate of reaction?
it increases the amount of reactants
it lowers the activation energy
it increases the energy of reactant particles
it increases the frequency of collision
Tags
NGSS.HS-PS1-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does a higher temperature increase the rate of a reaction?
It increases both the frequency collision and energy of reactant particles
It only increases the frequency of collision
It only increases the energy of reactant particles
It reduces the activation energy of the reaction
Tags
NGSS.HS-PS1-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the rate of reaction?
Tags
NGSS.HS-PS1-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Grinding an effervescent tablet into powder increases the rate of reaction due to increase of
concentration
total surface area
temperature
size
Tags
NGSS.HS-PS1-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Catalyst helps to
increase the amount of product obtained
to lower the activation energy
provide an alternative reaction route
decrease the frequency of collision
Tags
NGSS.HS-PS1-6
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