Which is the most ductile metal known?
Gold
Explanation for the correct option:
(c) Gold
Explanation for the incorrect option:
(a) Silver
Silver is a ductile metal as well. Gold, on the other hand, is the most ductile metal.
(b) Platinum
The most ductile metals on the planet are gold and platinum. Gold, on the other hand, is slightly more ductile than platinum.
(d) Copper
Copper is a ductile metal that isn't particularly strong or hard.
Hence, Option (c) is correct because gold is the most ductile metal.