Which of the following statements about handling broken glass in the laboratory is correct?

• A. Broken glass should always be picked up by hand to ensure safety.
• B. Using tongs to pick up broken glass is a good laboratory practice.
• C. Broken glass should be left on the floor until the end of the experiment.
• D. It is safe to sweep broken glass into a regular trash bin.

Answer: (B)

Verified step by step guidance

1. Understand the importance of safety when handling broken glass in the laboratory to prevent injuries.
2. Recognize that picking up broken glass by hand is unsafe because it can cause cuts and punctures.
3. Identify that using tools such as tongs or a brush and dustpan is the recommended method to safely collect broken glass.
4. Know that leaving broken glass on the floor is hazardous and should be cleaned up promptly using proper tools.
5. Be aware that broken glass should not be disposed of in regular trash bins; it requires special containers designed for sharps or broken glass to prevent injury to waste handlers.