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Which of the following pairs of metals is purified by van Arkel method?

1. Ga and In
2. Zr and Ti
3. Ag and Au
4. Ni and Fe

Correct answer: Zr and Ti

Solution

The van Arkel method is used for the purification of metals like zirconium (Zr) and titanium (Ti) by converting them into volatile iodides and then decomposing them to obtain pure metal.

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