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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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Vanadium(V) oxide (V2O5) is used as a catalyst in which industrial process?
Which option correctly explains why a catalyst must be regenerated or replaced when poisoned?
Which is a correct effect of adding a catalyst to a reversible reaction at equilibrium?
Why can catalysts make processes more economically attractive despite their cost?
Why are catalysts important in industry from an energy and environmental perspective?
An enzyme lowers activation energy by stabilising the transition state. What structural feature of an enzyme primarily achieves this?
In the decomposition of hydrogen peroxide (H2O2 ? H2O + 1/2 O2), manganese dioxide acts as a catalyst by which mechanism?
Which of the following is the best example of a heterogeneous catalyst?
Why are catalysts used in car catalytic converters?
Which explanation correctly describes why increasing the surface area of a solid heterogeneous catalyst increases the reaction rate?
Which of the following best describes catalytic poisoning?
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