Question

Solder is an alloy made of __________ and ___________.
1. Zinc, lead
2. Tin, zinc
3. Zinc, copper 
4. Tin, lead

Answer 1

Correct Answer - Option 4 : Tin, lead

Explanation:

• An alloy is a substance that is composed of two or more elements mostly metals.
• The alloys are used to protect the metal from rusting and alter their properties for using them in a better way. 
• Solder is an alloy of lead and tin and is used to create permanent bond between metal work pieces.

Alloys	Compositions	Uses
German Silver	Copper (Cu), Zinc (Zn) and Nickel (Ni)	In making utensils
Brass	Copper (Cu) and Zinc (Zn)	In making pipes, tubes, locks, etc.
Gun Metal	Copper (Cu), Tin (Sn), Zinc (Zn) and Lead (Pb)	In making guns, barrels, bearing, etc.
Solder	Lead (Pb) and Tin (Sn)	For soldering
Bronze	Copper (Cu) and Tin (Sn)	In making coins, bells, etc.