MCQOPTIONS
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| 1. |
Which of the following are the active materials of a lead-acid cell?1) Lead Peroxide (PbO2) for positive plate2) Sponge Lead (Pb) for negative plate3) Concentrated Sulphuric acid (H2SO4) as electrolyte4) Dilute Sulphuric acid (H2SO4) as electrolyte |
| A. | 1, 2 and 3 only |
| B. | 1, 2 and 4 only |
| C. | 1 and 3 only |
| D. | 2 and 4 only |
| Answer» C. 1 and 3 only | |