Oxidation, reduction and redox reactions multiple choice questions

Oxidation, Reduction and Redox Reactions

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Which compound contains two different elements with identical oxidation states?

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What is the oxidation number of oxygen in OF₂?

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Which of the following equations has the correct state symbols for the reaction of dilute hydrochloric acid with magnesium oxide?

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Which equation is not a neutralisation reaction?

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The equation for a redox reaction is shown below.

2HClO₃ + 2HCl ➔ 2ClO₂ + Cl₂ + 2H₂O

Which statement is correct?

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Which reaction shows chlorine only being oxidised?

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Which of these is not a redox reaction?

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Which species contains an element with an oxidation state of +4?

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In which reaction is hydrogen acting as an oxidising agent?

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In which conversion is the metal reduced?

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In an oxide of potassium, the oxidation number of oxygen is $- \frac{1}{2}$ .

What is the formula of this oxide?

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