A. Acid
B. Ester of alkanoic acid
C. Alkali
C. Alkanol

Correct Answer:

Option C – Alkali

Explanation

Lye is a metal hydroxide traditionally obtained by leaching wood ashes, or a strong alkali that 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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