Plastics & Polymers MCQs

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1. The word plastic is derived from a Greek word





2. The word “Poly” means





3. The word 'mono' means





4. The word 'mer' means





5. The molecules of plastic are joined together by





6. The plastic can be recycled





7. The plastic cannot be recycled





8. Plastic is soluble in organic solvents





9. PVC and polystyrene are the examples of plastic





10. Plastic is prepared with the help of addition polymerisation





11. Plastic is also called thermosets





12. Plastic is insoluble in organic solvents





13. Plastic is prepared with the help of condensation polymerisation





14. Melamine, bakelite and epoxy resin are examples of plastic





15. Acetylene and HCl react together in the presence of a catalyst to form





16. Is obtained from the chemical reaction of phenol and aldehyde





17. Is used for the manufacture of electric switches and plates





18. Is obtained from the chemical reaction of urea and aldehyde





19. Is a food-grade plastic and is used to prepare crockery





20. Is used to coat electrical wires





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