| List-I | List II | ||
|---|---|---|---|
| A. | Phenol-formaldehyde resin | I | Glyptal |
| B. | The copolymer of 1,3-butadiene and styrene | II | Novolac |
| C. | Polyester of glycol and phthalic acid | III | Buna-S |
| D. | Polyester of glycol and terephthalic acid | IV | Dacron |
Nature of compounds TeO₂ and TeH₂ is___________ and ______________respectively.
Consider the following sequence of reactions : 
Molar mass of the product formed (A) is ______ g mol\(^{-1}\).
The magnitude of heat exchanged by a system for the given cyclic process ABC (as shown in the figure) is (in SI units):

Neoprene is formed from chloroprene. It is prepared by free radical polymerisation. The monomer of neoprene is chloroprene. It is used for preparing gaskets, conveyor belts etc.