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JEE Main Chemistry question

ChemistryGeneral Principles and Processes of Isolation of Elements (Metallurgy)JEE Main

Not in JEE Main or NEET syllabus

How many of the following ores are best concentrated by the froth floatation method?

Galena, limonite, siderite, zincite, zinc blende, calamine, copper pyrites

Answer: 3

Solution

Galena (), zinc blende () and copper pyrites () are sulphide ores, best concentrated by froth flotation, giving

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Question ID VK-145583