Chemistry - Metallurgy Question with Solution | TestHub
ChemistryMetallurgyPurification of Ores, Calcination and roastingMedium2 minQB
ChemistryMediumassertion reason
Assertion : Aluminium, Silver, Gold are concentrated by chemical process involving complex formation with reagent anion
Reason : All kinds of impurities that are associated with their ores are insoluble in the resultant solution.
Options:
Answer:
C
Solution:
Assertion is true. Aluminium, Silver, and Gold are concentrated by chemical leaching, forming soluble complexes (e.g., Na[Al(OH)₄], Na[Ag(CN)₂], Na[Au(CN)₂]). Reason is false because impurities are typically insoluble, allowing their separation from the soluble metal complex.
Stream:JEESubject:ChemistryTopic:MetallurgySubtopic:Purification of Ores, Calcination and roasting
⏱ 2mℹ️ Source: QB
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