Final answer:
The safety requirements indicated in each number are: follow directions carefully, know the location of safety equipment, never perform experiments alone, always check the safety data of chemicals, and follow given instructions exactly.
Step-by-step explanation:
The safety requirements indicated in each number are:
- Follow directions carefully. It is important to read and understand all instructions before conducting any experiments.
- Know the location of safety equipment. Familiarize yourself with the placement of safety equipment such as fire extinguishers and eyewash stations in the laboratory.
- Never perform experiments alone. It is crucial to have a partner or supervisor present during experiments to ensure safety.
- Always check the safety data of chemicals. Before using any chemicals, review the safety data to understand their potential hazards and proper handling procedures.
- Follow the given instructions exactly. It is important to follow the given instructions precisely, without improvising or changing the order of steps.