Which metal is mixed with iron in stainless steel ?

Which metal is mixed with iron in stainless steel ?
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Answer :

Nickel and chromium metals are mixed with iron in stainless steel.
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H2SO4 (< 50% concentration) is corrosive to (A) Aluminium, mild steel, stainless steel, concrete & tin (B) Copper, cast iron & high silicon iron (14% Si) (C) Rubber (butyl and hard), silicone rubber & Teflon (D) Glass, graphite, porcelain & stoneware

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Last Answer : (A) Molybdenum stainless steel

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