15 past paper MCQs from Chemistry unit 20, Industrial Chemistry, across 2 topics. They are arranged topic by topic; bigger topics show a sample here and link to their full set and to study notes. Tap “Show answer” for the correct option and a short solution.
1.Which of following adhesive is used to bond broken pieces of jewelry? (SIBA MDCAT 2025)
Correct answer: (a) Super glue
Cyanoacrylate super glue sets in seconds on a thin joint, which suits broken jewellery.
2.Poly vinyl chloride (PVC) is the type of? (UHS MDCAT 2025)
Correct answer: (a) Homopolymer
PVC is built from one monomer, vinyl chloride, so it is a homopolymer.
3.Which one is addition polymer? (SIBA MDCAT 2025)
Correct answer: (a) polyvinyl chloride
Poly(vinyl chloride) is made by adding monomers with nothing eliminated; the nylons and polyesters are condensation polymers.
4.Bakelite is formed upon polymerization of: (NUMS MDCAT 2024)
Correct answer: (a) Phenol + HCHO dilute base
Bakelite is the condensation polymer of phenol with formaldehyde.
All 14 Polymers MCQs → Polymers notes →