A. Reduces its sulphur and ash content B. Controls its ash fusibility and increases its calorific value C. Improves its coking properties D. All a., b. and c.
A. Fixed carbon and having a heat value of 13, 200 btu/1b B. Ash and a heating value of 13, 200 btu/1b C. Fixed carbon and a heating value of 132 btu/1b D. None of these