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Dacron is a

A. Condensation product of Hexamethylene diamine and adipic acid

B. Thermosetting material

C. Condensation product of dimethyl terephthalate and ethylene glycol

D. None of these

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  13. BHC (Benzene hexachloride) is made by the chlorination of benzene
  14. Dry ice (solidified CO2) is used for the
  15. Dehydrogenation of ethyl benzene produces
  16. Phenol formaldehyde
  17. Thermosetting materials
  18. Function of sodium thiosulphate (hypo) in development of photographic film/plate is to
  19. Heating of __________ to 120°C, produces plaster of paris.
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