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PTECH Pharmaceutics-I (General, Physical and Dispensing) QUESTION #2954
Question 1
Which mechanism describes the 'Leaching' effect in glass containers used for alkaline preparations?
  • Adsorption of drug to glass
  • Release of alkali from glass into the preparation✔️
  • Evaporation of solvent
  • Oxidation of the active ingredient
Correct Answer Explanation
Type II and III glass can release surface alkalis when in contact with water or alkaline solutions, affecting the stability of the drug.