Chemistry - Metallurgy Question with Solution | TestHub
ChemistryMetallurgyPurification of Ores, Calcination and roastingMedium2 minQB
ChemistryMediumsingle choice
Choose the correct code regarding Roasting process.
(I)It is the process of heating ore in air to obtain the oxide
(II)It is an exothermic process
(III)It is used for hydrated oxide & carbonate ores
(IV)It is used after the concentration of ore
Options:
Answer:
B
Solution:
I.
II. Roasting is always exothermic
Stream:JEESubject:ChemistryTopic:MetallurgySubtopic:Purification of Ores, Calcination and roasting
⏱ 2mℹ️ Source: QB
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