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Explaintheindustrial perpartion of benzene from coal tar |
Answer» Solution :COALTAR isvisocusliquidobtainedby thepyrolysisof coal . Duringfractionaldistiliationin THETEMPERATURE rangeof `350 K ` to443 K.Thesevapoursare collectedat theupperpartofthe fractioncolumn. 
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