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Cambridge IGCSE Chemistry practice

What is the oxidation number of sulfur in H₂SO₄?

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MCQ

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cambridge_mcq

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Redox

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What is the oxidation number of sulfur in H₂SO₄?.

  1. A.+4
  2. B.+6
  3. C.-2
  4. D.0

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Paper 3 structured question: Redox

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Description

Oxidation Numbers

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

  1. a

    State the oxidation number of sodium in NaCl.

    Aim for approximately 1 distinct marking point.

    [1]