Home PYQs UPPSC UPPSC MCQs Prelims 2005 (GS Paper I)

Question

Solder is an alloy of

  1. tin an lead
  2. tin and copper
  3. tin, copper and zinc
  4. tin, lead and zinc

Answer:

Option A: tin an lead

Detailed Solution:

The correct answer is “tin an lead”.

Solder is an alloy of tin and lead, also known as a fusible metal alloy. It's typically made up of 50% tin and 50% lead and has a melting point of less than 450°C.