Rate of reaction iGCSE
Authored by Nicola Porch
Chemistry
9th - 11th Grade
NGSS covered
Used 247+ times
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21 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the rate of reaction?
Tags
NGSS.HS-PS1-5
2.
MULTIPLE SELECT QUESTION
15 mins • 1 pt
Which factors affect the rate of a reaction?
temperature
concentration
surface area
pressure
add a catalyst
Tags
NGSS.HS-PS1-5
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which of the following explains the meaning of effective collision?
The collision where its energy is less than the activation energy
The collision that has a low energy
The collision which takes place before a reaction
The collision that causes a reaction
Tags
NGSS.HS-PS1-5
4.
MULTIPLE CHOICE QUESTION
15 mins • 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
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A ______________ is a substance that increases the rate of a reaction without being used up during the reaction.
Tags
NGSS.HS-PS1-5
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Why does using an acid with 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
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A temperature increase causes the particles ......
to slow down
move faster
collide higher
in the right order
Tags
NGSS.HS-PS1-5
NGSS.HS-PS3-2
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