UP Board SSLC Sample Paper chemistry
Sample Paper – 2012
Subject – chemistry
- Distinguish between Homo polymers and Co polymers and give examples.
- What are thermostatic and Thermoplastic polymers ? Give examples.
- What is the difference between Nylon-6 and Nylon-6,6 ?
- What is Step growth polymerization? Explain the steps involved in this process.
- What is the difference between Elastomers and Fibers? Give one example of each.
- What does the part 6, 6 mean in Nylon-6,6 ?
- Differentiate between Condensation and Addition Polymerization? Give one example each of resulting polymers.
- What are Natural and Synthetic polymers?
- How does Vulcanization change the character of Natural Rubber?
- What are Elastomers ? Give the chemical equation for the preparation of Buna-S.
- What are Biodegradable Polymers? Give two examples.
- Which one of the two is a condensation polymer ?
- What is PTFE? Write its popular name.
- Distinguish between Novolac and Bakelite on the basis of structure.
- Write two point of difference between LDP and HDP.
- Write the equations for the synthesis of – i) Neoprene ii) Glyptal
- Draw the structures of monomers of following polymers – Teflon, Polythene, Buna-S, Neopren
Nylon-66,Nylon-6,PVC,Bakelite and Glyptal.