1) The speed of a reaction is called the rate. a) True b) False 2) An explosion has a lower rate of reaction than baking a cake. a) True b) False 3) This is the formula for the rate of reaction: Rate = Amount of reactant used (or product made)/ time a) True b) False 4) 1 gram of product made in 10 seconds is a rate of 10g s-1 a) True b) False 5) A splint does not require activation energy to burn. a) True b) False 6) In order for a reaction to happen, the reactant particles must collide a) True b) False 7) Increasing the temperature increases the rate of reaction a) True b) False 8) Lumps of calcium carbonate react faster than calcium carbonate powder a) True b) False 9) A diluted acid reacts faster than a concentrated acid a) True b) False 10) Food will go off faster at 0oC than 10 oC a) True b) False 11) Plants grow faster in warm weather than in cold weather a) True b) False 12) Methane burns faster in pure oxygen compared to air. a) True b) False 13) Food cooks faster in the oven at 50oC compared to 250oC a) True b) False 14) Sawdust burns more slowly than wood logs a) True b) False 15) To increase the speed of a reaction you could increase the temperature of the reactants. a) True b) False

N4 Rates Quiz

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