1) The reaction rate of an reaction is.... a) the distance moved by the reaction b) the time taken for the reaction to occur c) the length of the experiment, measured in meters 2) The higher the temperature the slower the reaction. a) True b) False 3) A catalyst .... a) Is used up in a reaction b) Gives the reaction energy c) Speeds up the rate reaction. 4) Reducing the surface area of a reactant ...... a) speeds up the reaction. b) slows down the reaction c) reduces the yeild of the reaction 5) As the particles involved in a reaction warm up .... a) they move more b) they are involved in more collisions c) they become still d) they are involved in less collisions 6) Increasing the concentration of a reactant ........ a) speeds up the reaction. b) clogs up the other reactant c) slows the reaction 7) In order for a reaction to happen the particles of the reactants must collide. a) True b) False 8) One way of testing the rate of reaction is by a) watching for the reaction to stop b) collecting the amount of gas that is produced overtime c) looking out of the window whilst it occurs 9) What does a catalyst do to the reaction? a) Halving the amount of reactant in the reaction b) Increases the activation energy needed c) Lowers the activation energy needed 10) What does this definition refer to? The particles have to collide with enough energy to react. a) Collision theory b) Rate of reaction c) Reactant

Rates of reaction quiz

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