JEE Main 2025 Chemistry question

ChemistryElectrochemistryJEE Main 2025

Match List-I with List-II :

List-I (Applications): (A) Transistors (B) Hearing aids (C) Invertors (D) Apollo space ship

List-II (Batteries/Cell): (I) Anode - Zn/Hg ; Cathode - HgO + C (II) Hydrogen fuel cell (III) Anode – Zn; Cathode - Carbon (IV) Anode – Pb ; Cathode – Pb | PbO

Choose the correct answer from the options given below :

Answer: (1)

Solution

Transistors use dry cell (III); Hearing aids use mercury cell (I);

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Question ID VK-002402