Catalysts and rate
Quiz by Oak National Academy: GCSE Combined Science Edexcel Foundation
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6 questions
Show answers
- Q1Which of the following will increase the rate of a chemical reaction?Users sort answers between categoriesSorting30s
- Q2How does a catalyst affect the activation energy of a reaction?it increases the activation energyit has no effect on the activation energyit decreases the activation energyit eliminates the activation energy30s
- Q3What are enzymes?catalysts that decrease reaction ratesbiological catalysts that speed up reactions in living organismschemical catalysts made in laboratoriescatalysts that increase the activation energy30s
- Q4Which of the following statements about catalysts are correct?Users sort answers between categoriesSorting30s
- Q5Why are catalysts important in industrial processes?they increase the reaction rate and reduce energy consumptionthey are expensive and increase coststhey are used up, adding to wastethey slow down reactions to save energy30s
- Q6Which label shows the activation energy for the reaction when a catalyst has been used?ADCB30s
