Question

व्हाट डू यू मीन बाय नोबल मेटल्स​

Answer 1

noble metal. : a metal (as gold, silver, or platinum) or alloy relatively superior in resistance to corrosion or oxidation —opposed to base metal — compare precious metal.

Answer 2

• Noble metal, any of several metallic chemical elements that have outstanding resistance to oxidation, even at high temperatures; the grouping is not strictly defined but usually is considered to include rhenium, ruthenium, rhodium, palladium, silver, osmium, iridium, platinum, and gold; i.e., the metals of groups VIIb

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