A.loss in catalyst activity
B.colour instability of the products
C.formation of gums
D.all of the above
Related Mcqs:
- In the manufacture of urea from ammonia and carbon dioxide
- Which of the following petroleum products has minimum ?API?
- The dielectric constant of petroleum products is
- Colour of the petroleum products can be determined by
- Which of the following petroleum products has minimum flash point?
- Which of the following petroleum products has maximum flash point?
- Which of the following petroleum products has maximum C/H ratio (by weight)?
- Which of the following petroleum products has minimum C/H ration (by weight)?
- Which of the following petroleum products has minimum viscosity at a given temperature?
- Which of the following petroleum products has maximum viscosity at a given temperature?
