Urea is formed only____________________?
Correct answer: A. In liquid phase
- A. In liquid phase
- B. In vapour phase
- C. At very high temperature
- D. At very low pressure (vacuum)
Explanation
Industrial urea synthesis occurs in a liquid phase formed from ammonia and carbon dioxide, first producing ammonium carbamate and then urea. High temperature and pressure assist the reaction, but they are not the phase itself.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Chemical Process Principles
2,710 free Chemical Process Principles MCQs from Chemical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Chemical Engineering questions like this
Chemical Engineering is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Chemical Process Principles questions
A mixture of phosphate rock ______________ is heated in an electric furnace to produce phosphorous?
______________ is the most suitable fertiliser for paddy?
Phosphorus vapour comprises of ___________________?
Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis ?
Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium___________________?
Montecatini process is used for the manufacture of____________________?