Chemical Process
Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it

Produces high purity (70%) caustic soda directly
All of these
Consumes less power per ton of Cl₂ produced
Has larger production capacity per unit cell

ANSWER DOWNLOAD EXAMIANS APP

Chemical Process
Shaving soaps are

Metalic soaps compounded with frothing agents
None of these
High free alkali soaps having excess of cane sugar and alcohol
Soft potassium soaps (potassium salt of fatty acid) with free stearic acid to give lather a lasting property

ANSWER DOWNLOAD EXAMIANS APP