The acid used in lead storage cells is

The acid used in lead storage cells is 

(1) phosphoric acid 

(2) hydrochloric acid 

(3) nitric acid 

(4) sulphuric acid 


Answer: (4) Dilute sulfuric acid {H2SO4} 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 are filled with spongy (porous) lead. The openings of the cathodic grid are filled with lead dioxide {PbO2}. 

The acid used in lead storage cells is   (1) phosphoric acid   (2) hydrochloric acid   (3) nitric acid   (4) sulphuric acid


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