BPSC 60th-62nd Prelims Exam 12 Feb 2017 Solved Paper

Bakelite is formed by the condensation of Phenol and formaldehyde. It was the first plastic which was made up of synthetic components. It is a thermosetting phenol formaldehyde resin. It was first time developed by the Belgian-American chemist Leo Baekeland in Yonkers, New York, in 1907 .