Chemistry - Metallurgy Question with Solution | TestHub
ChemistryMetallurgyPurification of Ores, Calcination and roastingEasy2 minPYQ_2020
ChemistryEasysingle choice
The powdered ore is agitated with water or washed with running steam of water. The heavy ore particles and lighter impurities are separated. This method of concentration is known as
Options:
Answer:
C
Solution:
Gravity separation is based on the difference in the specific gravities of gangue and ore particles. In the stream of water, heavy ore particles settle down while the lighter gangue particles are washed away.
Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:MetallurgySubtopic:Purification of Ores, Calcination and roasting
⏱ 2mℹ️ Source: PYQ_2020
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