Chemistry - Metallurgy Question with Solution | TestHub
ChemistryMetallurgyPurification of Ores, Calcination and roastingMedium2 minQB
ChemistryMediummultiple choice
Regarding Froth floatation method select CORRECT options -
Options:(select one or more)
Answer:
B, D
Solution:
(A) Incorrect – Froth flotation is based on the principle of selective wettability (adsorption), not absorption.
(B) Correct – Ore particles become hydrophobic, while gangue particles remain hydrophilic.
(C) Incorrect – Common frothing agents are pine oil, eucalyptus oil, and cresols; aniline is not used as a frothing agent.
(D) Correct – Sodium ethyl xanthate is a commonly used collector in froth flotation.
Answer: (B) and (D)
Stream:JEESubject:ChemistryTopic:MetallurgySubtopic:Purification of Ores, Calcination and roasting
⏱ 2mℹ️ Source: QB
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