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Question

When fractional distillation of coal tar is carried out, the percentage of which fraction is maximum?

A
Pitch
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B
Gasoline
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C
Lubricating oil
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D
None of these
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Solution

The correct option is A Pitch
When fractional distillation of coal tar is carried out, the maximum percentage is of pitch. Pitch is undistilled residue. It is about 50-60%.

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