A) fractional distillation of petroleum
B) destructive distillation of wood
C) alpine forest
D) None of the above
Correct Answer: B
Solution :
Turpentine oil is obtained by destructive distillation of wood. During this process, wood is heated in cast iron or steel retort or oven in absence of air or in the presence of limited amount of air. By fractional distillation of petroleum we obtain gasoline, kerosene, petroleum jelly and paraffin wax etc.
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