Chemical Process
__________ is an ore concentrating metallurgical process involving a chemical change.

Roasting
Electromagnetic separation
Froth floatation
None of these

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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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