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Electrochemistry — Chemistry STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceChemistryElectrochemistry2 Marks
Question
State two advantages of H2-O2 fuel cell over ordinary cell.
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Answer

  1. Advantages of fuel cell: a. It is a pollution-free device since no harmful products are formed.
  2. Its efficiency is about 75% which is considerably higher than conventional cells.
  3. It is a continuous source of energy if the supply of gases is maintained.

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