MCQ
Which of the following does not uses formaldehyde in its preparation?
- AMelamine polymer
- BBakelite
- CPHBV
- DPreservation of biological specimens.
✓
Answer
- PHBV
Explanation:
Formaldehyde is not used in the preparation of PHBV. PHBV is a thermoplastic polymer. The monomers, 3-hydroxybutanoic acid and 3-hydroxypentanoic acid, are joined by ester bonds; the back bone of the polymer is made up of carbon and oxygen atoms.
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