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- 1. Multiple Choice
Which of the following would increase the rate of a chemical reaction?
Freezing the chemicals
Increasing the temperature of the reagents
Removing a catalyst
Using less chemicals
- 2. Multiple Choice
Which of the following would increase the rate of a chemical reaction?
Removing a catalyst
Diluting the chemicals
Decreasing the temperature
Adding a catalyst
- 3. Multiple Choice
Which of the following would increase the rate of a chemical reaction?
Lowering temperatrure
Removing a catalyst
Making the chemicals more concentrated
Using less chemicals
- 4. Multiple Choice
Which colour on the graph would represent the solution with the higher temperature?
Red
Blue
None
Both
- 5. Multiple Choice
Which colour on the graph would represent the solution with a catalyst?
Red
Blue
Both
None
- 6. Multiple Choice
Which of the following would increase the rate of CO2 made using marble chips and HCl?
Lowering the temperature
Crushing the marble chips
Using less acid
Using bigger marble chips
- 7. Multiple Choice
Which of the following is not made when marble chips are mixed with HCl?
CO2
CaCl2
H2O
O2
- 8. Multiple Choice
Which of the following lines represents the chemical with the lower concentration?
Red
Blue
Both
None
- 9. Multiple Choice
Which of the following colours represent the solution with the largest particle size?
Red
Blue
Both
None
- 10. Multiple ChoiceThe burning of fuels , such as coal, natural gas, or oil involves a(n) __________reaction.chemicalphysical
- 11. Multiple ChoiceIncreasing the surface area of the reactants will increase the rate of the reaction.TrueFalse
- 12. Multiple ChoiceThe effect of a catalyst on a reaction is to raise the activation energy.TrueFalse
- 13. Multiple ChoiceAll reactions require activation energy.TrueFalse
- 14. Multiple Choice
An enzyme (biological catalyst) increases the rate of a reaction.
True
False
- 15. Multiple ChoiceIncreasing the temperature of a reaction will __________ the rate of the reaction.increasedecrease
- 16. Multiple ChoiceIn an ____________reaction, energy is released.exothermicendothermic
- Answer choicesTagsAnswer choicesTags