Boiling Point and Vapourization

Q.

Which of the following methods of separation is used in the refining of petroleum.

1. Fractional evaporation

2. Fractional distillation

3. Fractional crystallization

4. Solvent extraction

Q.

The various components of petroleum products are separated by the fractional distillation method.

1. True
2. False

Q.

The constituents of crude petroleum are separated by ___________ distillation.

Q. On the basis of mentioned properties, identify the correct substance.
a) It is a product of fractional distillation of crude oil.
b) Boiling range of this product is 200-380⁰C.

1. Kerosene
2. Diesel
3. Lubricating oil
4. Fuel oil

Q. Crude oil or petroleum has hydrocarbons that have different boiling points.

1. False
2. True