Chemistry - Metallurgy Question with Solution | TestHub
ChemistryMetallurgyExtraction of MetalsMedium2 minQB
ChemistryMediummultiple choice
In which process, hot air is not used?
Options:(select one or more)
Answer:
A, C, D
Solution:
Amalgamation of gold uses mercury for extraction; hot air is not used.
Cupellation requires a blast of hot air to oxidize lead and other impurities, so hot air is used.
Poling of blister copper is carried out using green wood poles to reduce Cu₂O; hot air is not used.
Mond's process purifies nickel by forming volatile Ni(CO)₄; hot air is not used.
Correct Answer: (A), (C) and (D)
Stream:JEESubject:ChemistryTopic:MetallurgySubtopic:Extraction of Metals
⏱ 2mℹ️ Source: QB
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