Liquid black soap is made by boiling palm oil with liquid extract of ash. The function of the ash is to provide the ?
The correct answer is C. Alkali
A lye is a metal hydroxide traditionally obtained by leaching wood ashes, or a strong alkali which is highly soluble in water producing caustic basic solutions / an alkaline solution that is used to make soaps. "Lye" most commonly refers to sodium hydroxide (NaOH), but historically has been used for potassium hydroxide (KOH).
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