Final answer:
The statement is false. Chemicals or other equipment should be removed from the laboratory when necessary.
Step-by-step explanation:
The statement given is false. Chemicals or other equipment should be removed from the laboratory when necessary. For example, after conducting an experiment, it is important to properly clean and store the equipment and dispose of any chemicals according to safety guidelines. Leaving chemicals or equipment in the laboratory could pose potential risks and hazards to the students and the environment. Therefore, it is important to adhere to safety protocols and remove chemicals and equipment when required.