maintaining an organized table. wearing safety goggles during experiments. mixing chemicals before reading instructions. washing hands thoroughly after completing an experiment.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: All of the following are safe laboratory practices except
Possibilities:
- maintaining an organized table.
- wearing safety goggles during experiments.
- mixing chemicals before reading instructions.
- washing hands thoroughly after completing an experiment.

mixing chemicals before reading instructions.