Name the fraction of Crude oil is used for the Roofing, paving roads :
Crude oil: It is a naturally occurring, unrefined petroleum product composed of hydrocarbon deposits and other organic materials.
Crude oil is used for roofing, and paving roads is bitumen (Residual oil above 400oC).
Bitumen: It is a black viscous mixture of hydrocarbons obtained as a residue from petroleum distillation.
Therefore bitumen is used for road surfacing and roofing.