Q. The major harmful gas emitted by automobile vehicle which causes air pollution is
✅ Correct Answer: (B)
Ozone gas
Explanation: Dilute sulfuric acid {H2 SO4} serves as the electrolyte in a lead storage battery. The electrodes of the cells in a lead storage battery consist of lead grids. The openings of the anodic grid is filled with spongy (porous) lead. The openings of the cathodic grid is filled with lead dioxide {PbO2}.
Explanation by: Ram Sharma
Dilute sulfuric acid {H2 SO4} serves as the electrolyte in a lead storage battery. The electrodes of the cells in a lead storage battery consist of lead grids. The openings of the anodic grid is filled with spongy (porous) lead. The openings of the cathodic grid is filled with lead dioxide {PbO2}.