MCQOPTIONS
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| 1. |
Which of the following pairs of material serves as electrodes in chargeable batteries commonly used in device such as torch light electric shaver etc. ? |
| A. | iron and cadmium |
| B. | nickel and cadmium |
| C. | lead peroxide and lead |
| D. | zinc and carbon |
| Answer» C. lead peroxide and lead | |