Cambridge IGCSE Chemistry practice

Paper 4 structured question: Reversible reactions and equilibrium

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Paper

Marks

Topic

Reversible reactions and equilibrium

Exam-style question

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Paper 4Theory (Extended)2 marks

The Haber process is essential for producing ammonia, which is used in fertilizers.

Description

Ammonia is synthesized through the Haber process and is crucial for agricultural productivity.

a
State two conditions that affect the yield of ammonia in the Haber process.
Your answer
Aim for approximately 2 distinct marking points.
[2]

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Paper 4Theory (Extended)1 marks

Description

The reaction is represented by the equation: N₂(g) + 3H₂(g) ⇌ 2NH₃(g).

a
State the balanced equation for the production of ammonia in the Haber process.
Your answer
Aim for approximately 1 distinct marking point.
[1]