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| 1. |
Though coke is made from coal, it is used for metallurgical processes instead of coal. Give reason. |
| Answer» Solution :Coal is fed into the coke oven and heated in an oxygen FREE atmosphere and devolatized. The heating is DONE in various steps which SUBJECT the coal to different temperatures for VARYING time periods. During each step different VOLATILE compounds are driven off. At the end of the heating process coke remains. It is porous with good strength. SInce coke is a purer form of carbon then coal and is porous, it is a better reducing agent then coal. | |