Catalysts (AQA GCSE Chemistry): Quizzes
📚Quizzes
Practise the questions
11 questions from this quiz
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Practise the questions
11 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 can catalysts be reused in multiple reactions?
Why can catalysts be reused in multiple reactions?
They are regenerated during reaction
Are catalysts included in balanced chemical equations?
Are catalysts included in balanced chemical equations?
No, they are not included
What is the main purpose of using a catalyst?
What is the main purpose of using a catalyst?
To speed up chemical reactions
How do catalysts speed up reactions?
How do catalysts speed up reactions?
Provide alternative reaction pathway
What effect do catalysts have on activation energy?
What effect do catalysts have on activation energy?
Lower it
What is activation energy?
What is activation energy?
Minimum energy needed for reaction
What happens when activation energy is lowered?
What happens when activation energy is lowered?
More successful collisions occur
Why are catalysts used in industry?
Why are catalysts used in industry?
Accelerate slow reactions
What are enzymes?
What are enzymes?
Biological catalysts
Which process involves enzymes as catalysts?
Which process involves enzymes as catalysts?
Digestion