Purity of coke means that, it is high in carbon and low in __________________?
Correct answer: A. Volatiles
- A. Volatiles
- B. Ash
- C. Iron
- D. Moisture
Explanation
Pure coke should contain high fixed carbon and little volatile matter, because carbonisation removes the volatile constituents of coal. Ash and moisture are also impurities, but volatile matter is the intended contrast here.
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