Which chemical element has the highest melting point of all pure metals, used in light bulb filaments?
A
Iron
B
Tungsten
C
Platinum
D
Titanium
Correct Answer: Option B — Tungsten
Explanation:
Tungsten has the highest melting point of all pure metals at about 3422 degrees Celsius making it ideal for light bulb filaments that must w...
Tungsten has the highest melting point of all pure metals at about 3422 degrees Celsius making it ideal for light bulb filaments that must withstand intense heat without melting.