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Catalysts (GCSE Chemistry)
The following is a GCSE Chemistry test covering 'Catalysts' from the broader topic The Rate And Extent Of Chemical Change. The test is geared towards the AQA exam board style syllabus.Incorrect: 0
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What is the most accurate definition of a catalyst in a chemical reaction?
Which is a correct effect of adding a catalyst to a reversible reaction at equilibrium?
Why are catalysts used in car catalytic converters?
Why are catalysts important in industry from an energy and environmental perspective?
Which circumstance would make a heterogeneous catalyst less effective in a reaction?
Vanadium(V) oxide (V2O5) is used as a catalyst in which industrial process?
Which of these is an example of catalytic poisoning in a vehicle catalytic converter?
An enzyme lowers activation energy by stabilising the transition state. What structural feature of an enzyme primarily achieves this?
Which is the correct description of the Haber process catalyst and why it is used?
What is the primary reason a catalyst is not used up (consumed) in a chemical reaction?
In an energy profile diagram for an exothermic reaction, what change indicates the presence of a catalyst?
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