Question

what happens when coal tar is distilled?

Answer 1

Answer:

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Answer 2

Explanation:

An industry developed around distillation of coal tar to produce various products. ... In this process the tar is first atmospherically distilled to produce soft pitch which has a softening point of 80-90°C. The soft pitch is then distilled under vacuum to produce a pitch with a softening point of approximately 110°C.

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