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Redox Reactions Quiz - Class XI Chemistry
Class XI
Chemistry
Redox Reactions
15 questions
MEDIUM
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Preview questions
1. What does the term 'oxidation' refer to in a redox reaction?
Gain of electrons · Loss of electrons · Gain of protons · Loss of protons
2. In a redox reaction, the substance that gets reduced is known as the:
Oxidizing agent · Reducing agent · Neutral agent · Catalyst
3. Which of the following is a characteristic of a reducing agent?
Gains electrons · Loses electrons · Increases oxidation state · Decreases oxidation state
4. In the reaction 2Mg + O2 → 2MgO, which element is oxidized?
Oxygen · Magnesium · Ozone · None
5. What is the oxidation state of sulfur in H2SO4?
+6 · +4 · 0 · -2
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