3981Chemical EngineeringMedium
Which is almost absent in crude petroleum?
ANaphthenes
BCycloparaffins
COlefins
DMercaptans
Correct answer
D. Mercaptans
Explanation
The correct answer is Mercaptans.
Correct answer
D. Mercaptans
Explanation
The correct answer is Mercaptans.
A coal containing very high percentage of durain is called ________ coal?
Toothpaste is a________?
Use of natural draft cooling tower is practised, when the air has low?
The heat of reaction________?
Ratio of tube length to shell diameter for a shell and tube heat exchanger is________?
The value of ‘n’ for a chemical reaction A → B, whose reaction rate is → CA n, will be ________ if the rate of the reaction increases by a factor of 8, when the concentration of is doubled?