question_answer

  (a) What are biodegradable polymers? Give two examples.                                                                                         1 (b) Write the structures of monomers used in the preparation of:                                                                            2 (i) PMMA                          (ii) Teflon

Answer:

                  (a) Biodegradable polymers ; Biodegradable polymers are those which are degraded by micro organisms within a                 suitable period of time due to their degradable property they are less harmful to pollution.                                                             e.g.,                                                           (b) (i)  PMMA: (Polymethyl crylate)                                                                                  1  (ii) Teflon (Tetra fluoro ethylene)                                                                                                                                                         1