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JEE CHEMISTRY MCQ: GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

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The major component of which of the following ore is sulphide based mineral?
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Correct option: A
Sphalerite
Option A (Sphalerite) is correct because Sphalerite (ZnS) is a sulphide-based mineral, while the others are carbonate or hydroxide-based.

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Which of the following is used as a stabilizer during the concentration of sulphide ores? Which statement is correct? Diaspora is: Following method is not used for extraction of Al Carbon reduction method is commercially used for the reduction of The metal which is purified by zone refining is
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