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Join Pak Navy 2026 Academic Test Chemistry Electrochemistry Free Quiz 4
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Join Pak Navy 2026 Academic Test Chemistry Electrochemistry Free Quiz 4
Practice Join Pak Navy 2026 Academic Test Chemistry MCQs from Electrochemistry. Get instant results with Explanation.
General5 MCQs
31. The overall reaction in a hydrogen fuel cell is:
32. The term "oxidation" originally meant:
33. The term "reduction" originally meant:
34. The oxidation number of oxygen in most compounds is:
35. The oxidation number of hydrogen in most compounds is:
General5 MCQs
36. The oxidation number of an element in its free state is:
37. In the reaction Zn + Cu²⁺ → Zn²⁺ + Cu, the reducing agent is:
38. In the reaction Zn + Cu²⁺ → Zn²⁺ + Cu, the oxidizing agent is:
39. The electrochemical series arranges elements in order of:
40. A substance with higher reduction potential is a better:

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Frequency: Bi-annual | Time: 120 Minutes
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⚡ Test Pattern (Total: 100 MCQs):

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