Chemical Process
Styrene (a monomer for the production of polystyrene) is commercially produced by

Reacting ethylene oxide with acetal-dehyde
Fermentation of starch
Catalytic dehydrogenation of ethyl benzene
Dehydration of ethyl alcohol followed by hydrogenation

ANSWER DOWNLOAD EXAMIANS APP

Chemical Process
Transparent soaps (e.g. Pears) are

Usually soft soap (made from coconut oil) in which cane sugar & alcohol are added and finally washed with methylated spirit to achieve transparency
None of these
Metallic soaps with frothing agent from which glycerine has not been recovered
Metallic soaps with frothing agent and free stearic acid to achieve transparency

ANSWER DOWNLOAD EXAMIANS APP