Sample Paper 3 Chemistry Class XI

http://www.slideshare.net/ashima1986/sample-paper-3-class-xi-chem

Sample Paper 2 Chemistry Class XI

http://www.slideshare.net/ashima1986/sample-paper-xi-chem-2

Sample Paper 1 Chemistry Class XI

http://www.slideshare.net/ashima1986/sample-paper-xi-chem-1

Class XI - Chapter 12 assignment (some basic concepts of organic chemistry)

Class XI - Chapter 12: Purification Techniques (organic chemistry)

http://www.slideshare.net/ashima1986/org-chem-purification-techniques