13. Some p-Block Elements - JEE - CBSE Class XI - Revision Problems

http://www.questionpapers.net.in/chemistry/p-block-elements-test-1.html

http://www.questionpapers.net.in/chemistry/p-block-elements-test-3.html

http://ncert.nic.in/ncerts/l/keep511.pdf

http://www.jagranjosh.com/articles/cbse-class-12th-chemistry-test-paper-p-block-elements-1387193043-1