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The soft solder used for welding and plumbing is alloy of

The soft solder used for welding and plumbing is alloy of
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Lead and tin
  • B Iron and tin
  • C Lead and zinc
  • D Iron and zinc
Correct Answer: Option A
Explanation:

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