Exam-style practice

Redox practice questions

Practise mixed syllabus-aligned questions for Redox. Aligned to Cambridge IGCSE Chemistry.

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Paper 3Theory (Core)1 marks

Description

Determine the oxidation numbers of the elements in the following compounds: 1. NaCl 2. H₂O 3. Fe₂O₃

a
State the oxidation number of sodium in NaCl.
Your answer
Aim for approximately 1 distinct marking point.
[1]