Physics · Chemical Cells and Batteries
What is the primary active material of the positive plate (cathode) in a fully charged lead-acid battery?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Lead peroxide (PbO2)✓
- 2Sulphuric acid (H2SO4)
- 3Lead sulphate (PbSO4)
- 4Spongy lead (Pb)
Correct answer
Lead peroxide (PbO2)
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