1397Chemical EngineeringMedium
Phthalic anhydride is produced by the oxidation of ________?
ANaphthalene
BToluene
CAniline
DBenzene
Correct answer
D. Benzene
Explanation
The correct answer is Benzene.
Correct answer
D. Benzene
Explanation
The correct answer is Benzene.
Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty?
Vulcanisation of raw rubber makes it________?
Which of the following is the lightest of engineering metals?
Time required for 50% decomposition of a liquid in an isothermal batch reactor following first order kinetics is 2 minutes. The time required for 75% decomposition will be about ________ minutes?
Capacity of a rotary gear pump can be varied by________?
As the impurities are oxidised, the melting point of iron________?