Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Chemistry
Which of the following statements are incorrect about phenol formaldehyde resin?
Question Error Report
Question is incomplete/wrong
Question not belongs to this Chapter
Answer is wrong
Solution is wrong
Answer & Solution is not matching
Spelling mistake
Image missing
Website not working properly
Other (not listed above)
Error description
Thank you for reporting, we will resolve it shortly
Back to Question
Thank you for reporting, we will resolve it shortly
Q. Which of the following statements are incorrect about phenol formaldehyde resin?
NTA Abhyas
NTA Abhyas 2022
A
Novolac or resol is a linear polymer and is used in the manufacture of adhesive
B
Bakelite is a cross linked polymer and is used in making switches and plugs
C
Novolac is prepared when (P/F) (phenol/formaldehyde) ratio if greater than 1, whereas bakelite is prepared when (P/F) ratio is less than 1
D
Novolac is prepared when P/F < 1, and bakelite is prepared when P/F > 1
Solution:
Novolac is prepared when P/F < 1, and bakelite is prepared when P/F > 1.