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The fullerenes are extracted from soot using __________

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The fullerenes are extracted from soot using __________

(a) Single step procedure

(b) Two step procedure

(c) Three step procedure

(d) Multi step procedure

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This is a very interesting question from Fullerenes and their Properties topic in division Nano Materials of Applied Chemistry

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The correct choice is (d) Multi step procedure

For explanation I would say: The fullerenes are extracted from soot using multi step process. The preparation is usually done by applying the large current between the graphite rods.

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