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2. Electrochemistry — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistry2. Electrochemistry1 Mark
MCQ
A depolarizer used in dry cell batteries is
  • A
    Ammonium chloride
  • ✓
    Manganese dioxide
  • C
    Potassium hydroxide
  • D
    Sodium phosphate
✓

Answer

Correct option: B.
Manganese dioxide
b
(b)$Mn{O_2}$ is used in dry batteries cell.

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