Multiple choice

By-product obtained by soap industry is

  1. caustic soda

  2. glycerol

  3. naphthalene

  4. caustic potash

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

During saponification, glycerol is released as a byproduct when fats or oils react with alkali. Caustic soda and caustic potash are reactants consumed in the process, not byproducts. Naphthalene is unrelated to soap manufacturing.