Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used

Question: Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used
[A].

as a lubricant.

[B].

as a rust preventive.

[C].

in hard water for cleaning of cloth.

[D].

as a foam depressant in distillation column.

Answer: Option A

Explanation:

No answer description available for this question.