Chemical Process
Shaving soaps are

Metalic soaps compounded with frothing agents
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
None of these

ANSWER DOWNLOAD EXAMIANS APP

Chemical Process
Presence of carbonaceous matter in the sewage

Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures
All of these
Reduces sulphate ions to sulphides causing obnoxious smell
Increases the quantity of chlorine used for its purification

ANSWER DOWNLOAD EXAMIANS APP