Y9 rates of reaction
Authored by Emma Benton
Chemistry
9th Grade
NGSS covered
Used 784+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which factors increase the rate of a reaction?
increasing temperature
increasing concentration
increasing surface area
all of these
Tags
NGSS.HS-PS1-5
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Reactions that give out heat to the surrounding are classified as one of the following:
Spontaneous
Exothermic
sluggish
Tags
NGSS.HS-PS1-4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following increase the reaction rate?
less surface area
lower temperature
increased concentration
Tags
NGSS.HS-PS1-5
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the rate of reaction?
How fast a reaction is
How big a reaction is
How loud a reaction is
Tags
NGSS.HS-PS1-5
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
How can you increase the rate of a reaction?
Decrease the pressure
Decrease the concentration
Increase the concentration
Tags
NGSS.HS-PS1-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Icing sugar has a greater ______ _____ than a solid cube of
sugar.
Surface Area
Catalyst
Temperature
Tags
NGSS.HS-PS1-3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why does breaking up a solid reactant increase the rate of reaction?
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