Q. Which of the following is/are correct for diluting acid?
  1. Adding acid to water by stirring.
  2. Adding water to acid by stirring.
Select the correct answer from the codes given below:

Answer: Only 1
Notes: The process of dissolving an acid or a base in water is a highly exothermic one. The acid must always be added slowly to water with constant stirring. If water is added to a concentrated acid, the heat generated may cause the mixture to splash out and cause burns.

This question is part of UPSC Daily 20 MCQ Series Course on GKToday Android app.