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What is the temperature at which coke is calcined in the manufacture of graphite?(a) 3000°C(b) 2000°C(c) 1400°C(d) 900°CThis question was posed to me during an interview.This is a very interesting question from Inorganic Chemical topic in chapter Inorganic Chemical Industries of Chemical Technology

Answer»

The correct answer is (C) 1400°C

Explanation: Coke is calcined at 1400°C to evaporate IMPURITIES, mixed with pitch, made into SHAPES and SENT to graphitizing furnace where the TEMPERATURE is 3000°C.



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