Q27 / 160 · AP EAMCET 2023 (15 May Shift 1) · Chemistry

How many of the following can be purified by using zone refining method? $\mathrm{Ni}, \mathrm{B}, \mathrm{Ti}, \mathrm{In}, \mathrm{Ge}, \mathrm{Mn}, \mathrm{Ag}, \mathrm{Si}, \mathrm{Ga}$

A
4
Correct answer
B
5
C
6
D
7

Solution

Zone refining method is used for semiconductors that are $\mathrm{B}, \mathrm{In}, \mathrm{Ge}, \mathrm{Si}$ and $\mathrm{Ga}$.

Hence, the correct answer is option: 'B'.

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