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Find the number of metals from the given...

Find the number of metals from the given metals which can be commercially purified by zone refining methods :
`Si, Ge, Ga, Al, Ti, Zr`.

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Verified by Experts

The correct Answer is:
`(3)`
Metals that can be refined by zone refining are `Si,Ge` and `Ga`.
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CENGAGE CHEMISTRY-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-Exercise (Integer)
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