Page 1 :
Har Ghar Pathshala, , Daily Practice worksheet, , , , , , , , , , , , , , Class 10+2, Subject Chemistry, Topic Polymers, Sub topic Formaldehyde Resins, Rubber (natural and Synthetic), , , , is), , COrIAHN, , Bakelite is a/an, , a. Addition polymer b. Elastomer, , c. Thermosetting polymer d. Thermoplastic polymer, Chloroprene is repeating unit of, , a. Polystyrene b. Neoprene c. PVC d. Teflon, Natural rubber is a polymer of, , a. Butadiene b. Ethylene, , C_ isoprene d. Neoprene, , Which of the following polymer contains nitrogen, , a. Teflon b. Nylon, , c¢ Terylene d. PVC, , What is the difference between Novolac and Bakelite?, What is vulcanization of rubber?, What are various types of synthetic rubber? Explain their process of polymerization., How number average molecular mass of polymers is different from weight average?, Write monomers of, Buna -N, Buna -S, Melamine formaldehyde, Natural rubber, Bakelite, Neoprene, a. Buna - S is addition polymer True/ false, b. Sulphur improves qualities of natural rubber True false, c. All polymers are macromolecules but all macromolecules are not polymers, True false, , mepoge