Catalysts (OCR GCSE Chemistry A (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What happens to a catalyst at the end of a reaction?
What happens to a catalyst at the end of a reaction?
It remains unchanged
Why are catalysts not included in balanced chemical equations?
Why are catalysts not included in balanced chemical equations?
They are not consumed in the reaction
What is the primary role of a catalyst?
What is the primary role of a catalyst?
Speed up chemical reactions
How do catalysts speed up reactions?
How do catalysts speed up reactions?
Providing an alternative pathway
What happens to the activation energy when a catalyst is used?
What happens to the activation energy when a catalyst is used?
It is lowered
What is activation energy?
What is activation energy?
Minimum energy for reaction to occur
How does lowering activation energy increase reaction rate?
How does lowering activation energy increase reaction rate?
More particles have enough energy
What effect do catalysts have on collisions?
What effect do catalysts have on collisions?
Increases successful collisions
Why are catalysts important in industry?
Why are catalysts important in industry?
Accelerate slow reactions
Can catalysts be reused in reactions?
Can catalysts be reused in reactions?
Yes, in multiple reaction cycles
What are enzymes?
What are enzymes?
Biological catalysts
Which process involves enzymes as catalysts?
Which process involves enzymes as catalysts?
Digestion