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Q.

Coke is the solid carbonaceous material derived from destructive distillation of:

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a

Bituminous coal

b

Sulphur

c

Ash 

d

All of the above

answer is D.

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Detailed Solution

A fuel with a high carbon concentration and low impurities, coke is hard, greyish, and porous. Coke is a solid formed by the refining of petroleum. The process of destructive distillation involves, heating a material to a high temperature and collecting the volatile constituents. Coke is formed as a product of the destructive distillation of coal, sulfur, and ash. 

The heated coal, ash, and sulphur are heated in the destructive distillation, creating coke, and the ammonia dissolves in water to produce ammonia liquor, coal tar, and coal gas. In an experiment, coal is placed in a test tube, heated, and then broken down to produce coke, ammonia, coal gas, and coal tar.
The coal gas will escape from the chamber while the coal tar that has accumulated above is collected at the bottom of another test tube. The ammonia created throughout the aforementioned process is converted into ammonia liquor, which is then converted into our desired product, coke, from the final residue that is left in the parent test tube.

The discussion above makes it obvious that coke is a solid carbonaceous material that is produced through the destructive distillation of bituminous coal with low sulphur and ash content.

Hence, the correct answer is option D.

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