Chemical Reactions Post Test
Authored by Tonie Smarr
8th - 9th Grade
Used 18+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is a shorthand notation that represents a compound or molecule called?
Chemical Equation
Chemical Formula
Chemical Reaction
Chemical
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
According to the law of conservation of mass...
sometimes atoms are lost
sometimes atoms are gained
atoms are never lost nor gained
atoms are lost and gained
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What do we call a substance that increases the rate of a reaction without participating in the reaction?
catalyst
inhibitor
accelerator
decelerator
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What do we call a substance that slows down the rate of a chemical reaction?
catalyst
inhibitor
accelerator
decelerator
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
In an exothermic reaction energy is ...
released
absorbed
protons
electrons
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
In an endothermic reaction energy is...
released
absorbed
protons
neutrons
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following will increase the rate of a reaction?
raising the temperature of reactants
grinding the reactants into a powder
increasing the concentration of reactants
all of the above
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