Question

Select all actions below that you must take to ensure laboratory safety during the experiment. Check all that apply.

Use tongs to handle the hot beaker.

Check the beaker for chips prior to heating on the hot plate.

Turn the hot plate off after use.

Handle the capillary tube with oven mitts or tongs.

Keep the work area clear.

Answer 1

Select all that apply:

- Use tongs to handle the hot beaker. — Yes. Prevents burns and avoids handling hot glass directly.
- Check the beaker for chips prior to heating on the hot plate. — Yes. Cracked/chipped glass can fail when heated.
- Turn the hot plate off after use. — Yes. Prevents fires and accidental burns.
- Handle the capillary tube with oven mitts or tongs. — Yes. Capillary tubes are small, fragile, and can become hot or sharp; use appropriate heat-resistant/holding tools.
- Keep the work area clear. — Yes. Reduces spill/trip hazards and contamination.