Central Board of Secondary Education
Class – XII (Year 2009)
Subject – Chemistry (Delhi)
General Instructions:
(i) All questions are compulsory.
(ii) Marks for each question are indicated against it.
(iii) Questions number 1 to 8 are very short-answer questions and carry 1 mark
each.
(iv) Questions number 9 to 18 are short-answer questions and carry 2 marks