Polystyrene is prepared by ___________ polymerisation of styrene.
A. Condensation
B. Free radical
C. Anionic
D. Cationic
Answer:B
Polystyrene is prepared by ___________ polymerisation of styrene.
A. Condensation B. Free radical C. Anionic D. Cationic
Explanation: Polystyrene is prepared by free radical polymerisation of styrene in the presence of benzoyl peroxide as catalyst.