Why should scientists always wash their hands after conducting an experiment and never eat food in a laboratory?

Question

Why should scientists always wash their hands after conducting an experiment and never eat food in a laboratory?

(Select all that apply)

Several chemicals are known to cause irritation to the eyes if touched with contaminated hands.

Many chemicals can react with other substances or materials they interact with, such as food.

Many chemicals are known to be flammable if exposed to an intense heat source.

Several chemicals are known to be toxic if ingested, and some cause skin irritations.

A and D?

Answer 1

Yes, you are correct. Scientists should wash their hands after conducting an experiment and never eat food in a laboratory for the following reasons:

- Several chemicals are known to cause irritation to the eyes if touched with contaminated hands (A).
- Many chemicals are known to be toxic if ingested, and some cause skin irritations (D).

Answer 2

Yes, A and D are the correct options. Scientists should always wash their hands after conducting an experiment and never eat food in a laboratory because several chemicals used in experiments can cause irritation to the eyes if touched with contaminated hands (option A). Additionally, many chemicals can be toxic if ingested or can cause skin irritations (option D). It is important for scientists to minimize the risk of contamination and potential harm to themselves and others.