McqMate
| Q. |
When a lead storage battery is discharged - |
| A. | SO2 is evolved |
| B. | Lead sulphate is consumed |
| C. | Lead is formed |
| D. | Sulphuric acid is consumed |
| Answer» D. Sulphuric acid is consumed | |
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Explanation: Lead storage battery was invented by French physicist Gaston Plante in 1859. In the discharged state both the positive and negative plates become lead sulphate and the electrolyte loses much of its dissolved sulphuric acid and becomes primarily water. |
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