Tardigrade
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Tardigrade
Question
Chemistry
Zone refining method is useful in the refining of I. indium II. gallium III. silicon IV. titanium.
Q. Zone refining method is useful in the refining of
I. indium
II. gallium
III. silicon
IV. titanium.
1523
216
General Principles and Processes of Isolation of Elements
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A
Only IV
B
Only III
C
I, II and III
D
I and IV
Solution:
Zone refining method is used for germanium, silicon, boron, gallium and indium, but titanium is refined by van Arkel method.