Which of the following is an ordinary soap?
Correct answer: A. Sodium stearate
- A. Sodium stearate
- B. Calcium stearate
- C. Sodium acetate
- D. Sodium benzoate
Explanation
An ordinary soap is the sodium or potassium salt of a longchain fatty acid. Sodium stearate is the sodium salt of stearic acid (an 18-carbon fatty acid) and is a primary component of many bar soaps.
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Industrial chemistry applies chemical reactions and material properties to the manufacture of adhesives, dyes and polymers. Coverage includes addition and condensation polymerisation, thermoplastics and thermosetting polymers, the structural basis of colour in dyes, and how adhesive composition enables bonding between surfaces.
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