Posts

Showing posts from January, 2014

xii chemistry 2014 board exam paper set-1

1                  SAMPLE QUESTION PAPER               [B]                            CHEMISTRY (043)                         CLASS- XII - (2013-14) : Time Allowed: 3 Hrs                                                          Maximum Marks 70 General Instructions: 1. All questions are compulsory. 2. Question No. 1-8 are very short answer questions and carry 1 mark each. 3. Question No. 9-18 are short answer questions and carry 2 marks each. 4. Question No. 19-27 are also short answer questions and carry 3 marks each. 5. Question No. 28-30 are long answer questions and carry 5 marks each. 6. Use log tables if necessary, use of calculators is not allowed.   1) Why is ferric chloride preferred over potassium chloride in case of a         Cut leading to Bleeding?                                                          1    (2) Why does a tetrahedral complex of the type [MA 2 B 2 ] not show geometrical isomerism?