MCQOPTIONS
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| 1. |
Solder is an alloy of [IIT 1995; MP PET 1995; AFMC 2005] |
| A. | 70% lead, 30% tin |
| B. | 30% lead, 70% tin |
| C. | 80% lead, 20% tin |
| D. | 90% Cu, 10% tin |
| Answer» C. 80% lead, 20% tin | |