5604Chemical EngineeringMedium
The amount of benzene present in pure Benzol is about ________ percent?
A50
B90
C70
D30
Correct answer
C. 70
Explanation
The correct answer is 70.
Correct answer
C. 70
Explanation
The correct answer is 70.
White cast iron as compared to grey cast iron is ________?
Which of the following is a poisonous fuel gas?
Ball mills and tube mills with flint or porcelain balls are used for size reduction of________?
Neutrons have mass approximately equal to that of ________ atoms?
Dacron (or Terylene) fibres as compared to nylon fibres have________?
In practical operation of any furnace, zero oxygen percentage or theoretical CO2 percentage in flue gas is rarely achieved, because of________?