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set 4 2017 model chemistry paper CBSE

CLASS - XII CHEMISTRY MODEL PAPER – (043)—2017  SET-4                                                                                         Time : Three hour  Max. Marks : 70 General Instructions :-  1. All questions are compulsory.  2. Question No. 1-5 are very short answer questions and carry 1 mark each.  3. Question No. 6-10 is short answer questions and carries 2 marks each.  4. Question No. 11-22 is also short answer questions and carries 3 marks each.  5. Question No. 23 is value added questions and carry 4 marks.  6. Question No. 24-26 carry 5 marks  7. Use log tables if necessary, use of calculators is not allowed.  Q1.Give the monomeric structure of teflon.? 1  Q2. What are flux.How they are selected for a specific ores.? 1  Q 3. What do you mean by lanthanoid contraction. 1  Q4. Write IUPAC name of the following compound