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

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Understanding +4 | -1

Choose the false statement.

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Correct option: C

Si, Ge

and

Ga

are purified by poling

Option C (

Si, Ge

and

Ga

are purified by poling) is correct because

Si, Ge

and

Ga

are purified by zone refining, not poling.

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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