Which of the following is the most important ingredient in the manufacture of soap?
(a) Limestone
(b) Caustic soda
(c) Water
(d) Perfume
(e) Common salt
Answer (2)
The most important ingredient in the manufacture of soap is caustic soda, as it is essential for the saponification process that produces soap. Other ingredients play supportive roles but do not create the soap itself. Therefore, caustic soda is the key ingredient needed for soap production. ;
The most important ingredient in the manufacture of soap is caustic soda (sodium hydroxide) because it is essential for the saponification process. Other ingredients like water, limestone, perfume, and common salt have supportive roles but do not create the soap itself. Therefore, caustic soda stands out as the crucial component in soap production.
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