Recycle the old ammonia bottle. Label the new container clearly. Heat the new container to seal the lid. Store the new container in the refrigerator.
A scientist lost the cap to an ammonia bottle, so she moved the ammonia into a clean container with a lid. What else should she do to be safe?

Options:
- Recycle the old ammonia bottle.
- Label the new container clearly.
- Heat the new container to seal the lid.
- Store the new container in the refrigerator.

Label the new container clearly.