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MDCAT - UHS Past Papers - Chemistry - Chap No 7 Quiz

Attempt 10 MCQs on MDCAT - UHS Past Papers - Chemistry - Chap No 7 | Quiz 1

1. In an oxidation reaction, atoms of an element lose electrons and increase in:



2. In MgCl₂, the oxidation state of Cl is:



3. Which one of the following is a redox reaction?



4. In SO₃²⁻, the oxidation number of sulphur is:



5. Study the following redox reaction: 10Cl⁻ + 16H⁺ + 2MnO₄⁻ → 5Cl₂ + 2Mn²⁺ + 8H₂O



6. Oxidation number of an element can be inferred from its:



7. In which of the following does oxygen show a fractional oxidation number?



8. Oxidation number of free magnesium (Mg) is:



9. Oxidation number of Mn in KMnO₄ is:



10. Which step is irrelevant when balancing redox equations by oxidation number method?



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