EASY
Earn 100

State the constituents of petroleum.

Important Questions on Hydrocarbons

EASY
What will be the octane number of best fuel?
HARD
Octane number can be changed by:
EASY
Gasoline with an octane number of 80 is equivalent in knocking characteristics, to a mixture of heptane and iso-octane of the following composition
MEDIUM
The quality of diesel is expressed in terms of
EASY
Pre-ignition of the fuel is seen in ______.
HARD
During winters, we generally prefer to use Vaseline. From which substance, do we get Vaseline?  
EASY
Petrochemicals can be used to prepare
EASY
A fuel has the same knocking property as a mixture of 70% iso-octane (2, 2, 4-trimethylpentane) and 30% n-heptane by volume. the octane number of the fuel is 
MEDIUM
Which of the following method is used to separate Petrol from crude oil?
EASY
Which of the following has highest knocking?
MEDIUM
In Fischer-Tropsch which products are recovered?
MEDIUM
Synthetic petrol is prepared by using a mixture of:
EASY
Which of the following increases the octane number?
MEDIUM
Which of the following when used as a fuel have the maximum tendency to resist knocking?
EASY
Which of these processes is used in synthesis of petroleum?
MEDIUM

The decreasing order of the anti-knocking value of octane number of the following is:

(I) CH4  (II) C2H6  (III) C3H8  (IV) C4H10

MEDIUM
Which of the following is used as an anti-knocking material?
 
EASY
TEL is a compound used as
MEDIUM
In which process does the hydrogenation of coal take place?