Chemical Process
Hard water

Pollutes the water stream
Does not affect the lather formation by soap
All of these
Is not unfit for drinking purpose

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Chemical Process
Shaving soaps are

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
Metalic soaps compounded with frothing agents

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