Cambridge IGCSE Chemistry practice

Paper 4 structured question: Reversible reactions and equilibrium

Try the question first, then check the answer and practise the same topic again.

At a glance

Paper

Marks

Topic

Reversible reactions and equilibrium

Exam-style question

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Paper 4Theory (Extended)1 marks

The Haber process is used to synthesize ammonia from nitrogen and hydrogen.

Description

The process operates at high pressure and moderate temperature to optimize ammonia production.

a
State the typical pressure used in the Haber process.
Your answer
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[1]

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Paper 4Theory (Extended)3 marks

Description

The process uses a catalyst and operates at specific temperature and pressure to maximize yield.

a
Explain the role of the catalyst in the Contact process.
Your answer
Aim for approximately 3 distinct marking points.
[3]