1.

Soap is prepared by boiling caustic soda with(A) .Alcohol(B) Kerosene oil(C) Glycerine(D) Fats

Answer»

(D) an alloy of nickel and chromium

The most basic kind of soap is made from caustic soda and animal fat. The two are heated together and then cooled. The process is called "saponification". In 



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