The leachate of a certain plant ash is used in local soap...
The leachate of a certain plant ash is used in local soap making because it contains
sodium chloride and potassium hydroxide
sodium hydroxide
potassium hydroxide
soluble carbonates and hydrogen carbonates
Correct answer is B
Lye is the most commonly used alkali for soap-making. The chemical name for lye is sodium hydroxide. (A lye is a metal hydroxide traditionally obtained by leaching ashes (containing largely potassium carbonate or "potash"), or a strong alkali which is highly soluble in water producing caustic basic solutions.)
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