Wiring and componentsQuestion 458 of 1506

Solder is an alloy of which two metals in common use?

  1. Copper and zinc
  2. Tin and aluminum
  3. Lead and silver
  4. Tin and lead
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Correct answer: Tin and lead

Common solder is a tin-lead mix with a low melting point.

Source: Electrical Fundamentals Competency (Industry Training Authority of BC), 10.1: Solder Bonding

Practice wiring and components

Questions last reviewed: 18 October 2026