Phenol formaldehyde __________________?
Correct answer: B. Employs condensation polymerisation
- A. Employs addition polymerisation
- B. Employs condensation polymerisation
- C. Is a monomer
- D. Is an abrasive material
Explanation
Phenol and formaldehyde react by condensation polymerisation, forming Bakelite with elimination of small molecules such as water. It is therefore not an addition polymer or a monomer.
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
In nylon-6, the number 6 represents the total number of_________________?
The process involved in converting rubber into a thin sheet or coating it on fabric is called__________________?
Styrene butadiene rubber (SBR) is never used for making__________________?
Which of the following is not a condensation polymer ?
Most of the fibre forming polymers are crystalline in nature, one of the exceptions being ______________ which is amorphous in nature?
Styrene which is a monomer for the production of polystyrene, is commercially produced by the __________________?