Chemistry - Metallurgy Question with Solution | TestHub
ChemistryMetallurgyPurification of Ores, Calcination and roastingEasy2 minPYQ_2020
ChemistryEasysingle choice
The process of heating the ore strongly in excess of air so that the volatile impurities are removed and the ore is changed to oxide is known as
Options:
Answer:
B
Solution:
In roasting ore is heated in presence of air to get it's oxide and to remove it's impurities. But in calcination ore is heated in absence of air.
Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:MetallurgySubtopic:Purification of Ores, Calcination and roasting
⏱ 2mℹ️ Source: PYQ_2020
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