Catalysts in Chemical Reactions
Chemistry ⇒ Chemical Reactions and Equations
Catalysts in Chemical Reactions starts at 9 and continues till grade 12.
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See sample questions for grade 9
A student adds manganese dioxide to hydrogen peroxide and observes rapid bubbling. What is the role of manganese dioxide in this reaction?
Describe how a catalyst affects the rate of a chemical reaction.
Describe the role of a catalyst in the contact process for making sulfuric acid.
Describe what happens to a catalyst at the end of a chemical reaction.
Describe what is meant by 'catalyst poisoning'.
Explain the difference between a homogeneous and a heterogeneous catalyst.
Explain why a catalyst does not affect the amount of product formed in a chemical reaction.
Explain why catalysts are important in industrial chemical processes.
Explain why catalysts are not included in the chemical equation as reactants or products.
Explain why enzymes are considered biological catalysts.
In the reaction 2H₂O₂ → 2H₂O + O₂, which substance can act as a catalyst?
What is a catalyst in a chemical reaction?
