
| 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 | 
The output (Y) of the given logic implementation is similar to the output of an/a  …………. gate.
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.