Have an account?
Skip to Content
Build your own quiz
Suggestions for you
20 questions
Show Answers
See Preview
- 1. Multiple Choice
If a chemical reaction is EXOTHERMIC, the temperature would....
increase
stay the same
decrease
- 2. Multiple Choice
In an endothermic reaction the system is releasing energy.
true
false
- 3. Multiple Choice
Is the combustion of gasoline endothermic or exothermic?
exothermic
endothermic
- 4. Multiple Choice
During an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______.
exothermic
warm
cold
endothermic
- 5. Multiple Choice
A student mixed two chemicals to allow them to react. The temperature before the reaction was 25 ° C. The temperature after the reaction was 18° C. What is the temperature change?
endothermic
it increases by 7
it decreases by 7
exothermic
- 6. Multiple Choice
Accuracy : 38%
A student mixed two chemicals to allow them to react. The temperature before the reaction was 25 ° C. The temperature after the reaction was 18° C. Which of the following is true?
the reaction is a neutralisation reaction
the reaction is exothermic
the reaction is endothermic
- 7. Multiple Choice
If the energy required to break the bonds is greater than the energy given out by making new bonds the reaction is....
endothermic
exothermic
neutralisation
combustion
- 8. Multiple Choice
If the energy required to break the bonds is less than the energy given out by making new bonds the reaction is
endothermic
exothermic
- 9. Multiple Choice
Have you ever eaten sherbet sweets candy? They fizz in your mouth and your tongue feels cold. Why do you think that is?
An endothermic reaction is happening
combustion is happening
an exothermic reaction is happening
- 10. Multiple Choice
Which letter corresponds to the energy of the products?
A
B
C
D
- 11. Multiple Choice
Which letter corresponds to the energy of the reactants?
A
B
C
D
- 12. Multiple Choice
Which letter corresponds to the activation energy?
A
B
C
D
- 13. Multiple Choice
What type of reaction does this diagram show?
neutralisation
exothermic
endothermic
- 14. Multiple Choice
what does C represent in the diagram?
the activation energy
energy of reactants
the energy released by the reaction
- 15. Multiple Choice
What type of reaction is shown in the diagram
endothermic
exothermic
- 16. Multiple Choice
What statement best describes why the energy changed
overall energy is absorbed in the reaction
there is energy released in the reaction
- 17. Multiple Choice
what type of bond is shown between the two carbon atoms
very strong
single
double
strong
- 18. Multiple Choice
How many single bonds are shown between the hydrogen and carbon atoms?
1
2
4
- 19. Multiple Choice
Each of the carbon hydrogen bonds have the same energy value
True
False
- 20. Multiple Choice
More energy is needed to break a double bond compared to a single bond
True
False
- Answer choicesTagsAnswer choicesTags