Organic Chemistry – Soaps and Detergents

1. What chemicals are used to dissolve soap to make transparent soap?

  1. Lauric acid
  2. Salicylic acid
  3. Ethanol
  4. Stearic acid
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Answer: Option C. Ethanol

2. What methods can be used to remove permanent hardness in water caused by calcium or magnesium sulfate?

  1. Distillation
  2. Ion exchange method
  3. Reverse osmosis
  4. Evaporation
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Answer: Option B. Ion exchange method

3. What are the structures that soap molecules form during cleansing called?

  1. Polymers
  2. Crystals
  3. Molecules
  4. Micelles
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Answer: Option D. Micelles

4. Which of the following is a product of the saponification process?

  1. Soap
  2. Glycerin
  3. Fatty acid
  4. Ethanol
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Answer: Option A. Soap

5. Which of the following is a common salt found in Detergents?

  1. Sodium bicarbonate
  2. Potassium nitrate
  3. Sodium sulfate
  4. Calcium carbonate
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Answer: Option C. Sodium sulfate