maintaining an organized table. wearing safety goggles during experiments. mixing chemicals before reading instructions. washing hands thoroughly after completing an experiment.
I gave my students this multiple choice question: All of the following are safe laboratory practices except

Only one answer is correct among these 4 choices:
- maintaining an organized table.
- wearing safety goggles during experiments.
- mixing chemicals before reading instructions.
- washing hands thoroughly after completing an experiment.

Could you tell me which one is correct?

mixing chemicals before reading instructions.