Chemistry - Metallurgy Question with Solution | TestHub
ChemistryMetallurgyPurification of Ores, Calcination and roastingEasy2 minPYQ_2020
ChemistryEasysingle choice
How do we separate two sulphide ores by froth floatation method?
Options:
Answer:
B
Solution:
Two sulphide orescan be seperated by adjusting the proportion of oil and water or by using depressants, e.g., if an ore contains ZnS and PbS both, a depressant NaCN is added duringfroth floatation. It forms a complex with ZnS and prevents it from coming into froth.
Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:MetallurgySubtopic:Purification of Ores, Calcination and roasting
⏱ 2mℹ️ Source: PYQ_2020
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