pouring water into an acid pouring a base into water pouring water into alcohol pouring alcohol into a base
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which of the following laboratory practices should be avoided?
Possibilities:
- pouring water into an acid
- pouring a base into water
- pouring water into alcohol
- pouring alcohol into a base

pouring water into an acid