1.
Smoke point of kerosene expresses its

2.
Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatisation by liquid SO₂ extraction (Edeleanu process), its smoke point may become __________ mm.

3.
True boiling point apparatus is used for the

4.
A good lubricant should have high

5.
Deoiling is the process of removal of oil from wax. It is done by the __________ process.

6.
The doctor's solution comprises of sodium plumbite in

7.
Which of the following is not a sulphur compound present in petroleum ?

8.
Olefins are

9.
Petroleum liquid fuels having flash point greater than 66°C is considered as safe during storage and handling. Which of the following has flash point > 66°C ?

10.
Sulphuric acid treatment of petroleum products removes the __________ materials.

error: Content is protected !!