EVERYDAY SCIENCE

Detailed explanation-1: -Storing food or beverages in chemical cabinets/refrigerators facilitate chemical absorption by vapor. Thus, chemical exposure takes place upon consuming food or beverages stored with chemicals. Therefore, eating or drinking in the lab is strictly forbidden.

Detailed explanation-2: -Personal safety risks can result from cross-contamination and ingestion. Contamination can result from contact with contaminated gloves/hands, airborne materials settling out or condensing on surfaces or utensils, or placing consumable items on a contaminated surface.

Detailed explanation-3: -Eating, drinking, smoking, chewing tobacco and applying cosmetics are forbidden in the laboratory. These activities should take place only outside the laboratory doors.

Detailed explanation-4: -Coats, book bags, umbrellas, etc. should be kept only in designated areas, not at your lab bench. Nothing should be present except authorized equipment and chemicals, your experiment manual, your notebook and writing materials. Keep materials not in use well away from the work area and the edge of the bench.

Detailed explanation-5: -Expert Answer Ans =option (A) never! There is no eating, no drinking, no smoking permitted in the lab.