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| Q. |
Coking is |
| A. | In boiler furnace some coal becomes plastic and forms lumps or masses of coke |
| B. | Making cakes of coal out of fine powders |
| C. | Coal produced from burning of wood in inert atmosphere |
| D. | Free burning coals are known as coking coals |
| E. | None of the above |
| Answer» A. In boiler furnace some coal becomes plastic and forms lumps or masses of coke | |
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