Which metal is the primary component of ‘Solder’?
ATin
BCopper
CLead
DZinc
Explanation
• Solder is a metal alloy that melts at low temperatures.
• It is used to connect electronic components or pipes.
• Lead-free solder is now becoming standard for health reasons.
Exam Relevance
- Topic: Competitive Exams
- Subtopic: FPSC/PPSC Past Papers

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