The correct answer is C. Both 1 and 2.
Hard soaps are the sodium salts of fatty acids. They are made by reacting sodium hydroxide (lye) with animal or vegetable fats. Hard soaps are typically white or off-white in color and have a high melting point. They are often used in bar soaps, hand soaps, and laundry detergents.
Soft soaps are the potassium salts of fatty acids. They are made by reacting potassium hydroxide (lye) with animal or vegetable fats. Soft soaps are typically clear or translucent
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