Have an account?
Skip to Content
Build your own quiz
20 questions
Show Answers
See Preview
- 1. Multiple ChoiceWhat is rate of reaction?How fast a reaction isHow big a reaction isHow loud a reaction isHow much gas a reaction produces
- 2. Multiple ChoiceWhat is required for a reaction to occur?CollisonsSufficient EnergyCollisions with sufficient energyNothing
- 3. Multiple ChoiceWhat does NOT happen when the temperature is increased?Particles collide more oftenParticles collide with more energyParticles move fasterMore particles collide in the correct orientation
- 4. Multiple ChoiceWhat does a catalyst do?Stabilises a reactionIncreases the rate of reactionCools the reaction downIncreases the concentration of the reaction
- 5. Multiple ChoiceIn an exothermic reaction, heat is ...taken ingiven out
- 6. Multiple ChoiceIn an endothermic reaction, heat is ,,,taken ingiven out
- 7. Multiple ChoiceThis helps to speed up a reaction but does not take part in the chemical reaction.coeffiecentsreactantscatalystcombustion
- 8. Multiple ChoiceThe amount of a substance in a given volume.concentrationtemperaturesurface areacatalyst
- 9. Multiple ChoiceGrinding a seltzer tablet into powder increases the rate of reaction due to increasedconcentrationsurface areatemperaturereactants
- 10. Multiple ChoiceExposing more particles for collisions is an increase inconcentrationsurface areatemperaturecatalyst
- 11. Multiple ChoiceIncreasing the concentration increases the speed of reaction bylowering activation energyincreasing collisionsspeeding up the reactantsexposing more reactant
- 12. Multiple ChoiceTrue or False. Inhibitors increase the rate of a reaction.TrueFalse
- 13. Multiple ChoiceTrue or False. Catalysts speed up the rate of a reaction by lowering the activation energy.TrueFalse
- 14. Multiple ChoiceTrue or False. Catalysts speed up the rate of a reaction by lowering the activation energy.TrueFalse
- 15. Multiple Choice
In an exothermic reaction the products havemore energy than the reactantsthe same energy as the reactantsless energy than the reactantsno energy - 16. Multiple ChoiceIn an endothermic reaction the products havemore energy than the reactantsless energy than the reactantsthe same energy as the reactantsno energy
- 17. Multiple ChoiceThe minimum amount of energy required for a reaction to proceed.activation energyexothermic energyendothermic energycatalyst
- 18. Multiple ChoiceWhich factors increase the rate of a reaction.increasing temperatureincreasing concentrationincreasing surface areaall of these
- 19. Multiple ChoiceWhich factors decrease the rate of a reaction?adding a catalystdecreasing the temperatureincreasing surface areaincreasing concentration
- 20. Multiple ChoiceIncreasing concentration increases reaction rate due to more collisions.TrueFalse
- Answer choicesTagsAnswer choicesTags