Catalysis
10 past-paper questions on Catalysis · examined 2020–2025.
20252 questions
Explain how a catalyst increases the rate of a reaction.
State a reaction that uses nickel as a catalyst.
20231 question
Complete the symbol equation for the reaction that occurs in catalytic converters.
20222 questions
Which statement is correct about enzymes?
In the Contact process, sulfur is converted into sulfuric acid. A catalyst is added to the reaction mixture shown in the equation. What is the purpose of the catalyst?
20212 questions
The equation shows the reaction for the manufacture of ammonia. N2(g) + 3H2(g) → 2NH3(g) Which change will decrease the activation energy of the reaction?
The reaction uses concentrated sulfuric acid as a catalyst. Describe how a catalyst speeds up a chemical reaction.
20201 question
Vanadium(V) oxide, V2O5, is a catalyst in the Contact process. State how a catalyst increases the rate of a chemical reaction.
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