Which of the following pairs of sentences best demonstrate responsible laboratory safety behavior?

• A. Using equipment without reading instructions and leaving chemical containers open.
• B. Touching chemicals with bare hands and disposing of waste in regular trash bins.
• C. Wearing safety goggles at all times and immediately cleaning up spilled chemicals.
• D. Eating snacks during experiments and ignoring broken glassware.

Answer: (C)

Verified step by step guidance

1. Step 1: Understand the importance of laboratory safety behavior, which includes actions that protect yourself and others from harm while working in the lab.
2. Step 2: Identify behaviors that demonstrate responsible safety practices, such as wearing appropriate personal protective equipment (e.g., safety goggles) and promptly addressing hazards (e.g., cleaning up spills).
3. Step 3: Recognize unsafe behaviors, such as using equipment without instructions, leaving chemical containers open, touching chemicals with bare hands, improper waste disposal, eating during experiments, and ignoring broken glassware.
4. Step 4: Compare each pair of sentences to determine which one aligns with responsible safety behavior by promoting protection and hazard prevention.
5. Step 5: Conclude that the pair 'Wearing safety goggles at all times and immediately cleaning up spilled chemicals' best demonstrates responsible laboratory safety behavior because it emphasizes both personal protection and maintaining a safe environment.