A. For the manufacture of styrene, the major raw materials are benzene and ethylene
B. One important copolymer of styrene is SBR, which is widely used in the manufacture of
automobile tyres
C. Manufacture of phenol by chloroben-zene-eaustic process involves. The chlorination of benzene, causticisation and hydrolysis
D. Phenol manufacture by chlorobenzene-caustic process is competitive even when low cost chlorine is not available