Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Reaction Rates
Test Description: Review of Collision Theory and Reaction Rates
Instructions: Answer all questions to get your test result.
1) Collision Theory
A
Is a theory that molecules collide when temperatures increase
B
Says chemical reactions are not possible
C
Says chemical reactions occur through collisions between molecules
D
States that more chemical reactions occur when molecules are cold
2) When two molecules collide at low energy
A
The temperature drops
B
The molecules switch places
C
No chemical reaction occurs
D
A chemical reaction occurs
3) Which of the following will SPEED UP a chemical reaction?
A
Warmer Temp
B
Colder Temp
C
Lower Concentration
D
Remove a catalyst
4) Which of the following will SLOW down a chemical reaction?
A
Lower the concentration
B
Add a catalyst
C
Warmer Temperature
D
Increase the concentration
5) Why does a warm temp speed up chemical reactions?
A
Particles are moving faster and are less likely to collide.
B
Particles are moving faster so collisions have more energy
C
Particles are moving slower and are less likely to collide
D
Particles are moving slower and collide more energy
6) Why does higher concentration increase the speed of a chemical reaction?
A
Particles are spread apart and less likely to collide
B
Particles are more crowded and collide with less energy
C
Particles are spread apart and more likely to collide
D
Particles are more crowded are more likely to collide
7) What does a Catalyst do?
A
Makes to un-reactive chemicals reactive
B
Increases the speed of a chemical reaction
C
Slows down a chemical reaction
D
Stops a chemical reaction
8) Which of the following is most likely to occur in lab?
A
Decreasing the concentration of Sodium Thiosulfate will speed up a reaction with HCl
B
Increasing the temperature of Sodium Thiosulfate will slow down a reaction with HCl
C
Dropping the temperature of Sodium Thiosulfate will slow down a reaction with HCl
D
Increasing the concentration of Sodium Thiosulfate will slow down a reaction with HCl
9) What two things can change the rate of a chemical reaction?
A
Temperature and Sand
B
Temperature and Concentration
C
Sunlight and Sugar
D
Evaporation and Beakers
10) Which reaction time most likely corresponds to the highest temperature?
A
300 seconds
B
5 seconds
C
15 seconds
D
45 seconds
11) Which reaction time most likely corresponds to the lowest concentration of reactant?
A
45 seconds
B
5 seconds
C
15 seconds
D
300 seconds
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?