Which one of the following is the hardest metal?
A. Gold
B. Iron
C. Platinum
D. Tungsten
Answer: Option D
Solution (By Examveda Team)
Tungsten is the hardest metal among the given options.It has the highest melting point (about 3422°C) of all pure metals.
Its hardness and ability to withstand high temperatures make it widely used in the production of electrical filaments, cutting tools, and rocket engine nozzles.
Gold is a soft metal, Iron is relatively strong but not the hardest, and Platinum is dense and corrosion-resistant but not as hard as Tungsten.
Therefore, the hardest metal is Tungsten.
This Question Belongs to Chemistry GK Chapter Wise >> Metal And Its Compounds
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