Answer all the questions below 1. A. Answer the following questions by TRUE or FALSE: 1. Personal belongings can be kept next to you at the bench. 2. You can do modifications on the experimental procedure without consulting lab supervisor. 3. All chemicals in the lab are to be considered dangerous. 4. Laboratory work can be started immediately upon entering the laboratory even if the instructor is not yet present. 5. All unauthorized experiments are prohibited. B. Chose the correct answer: 1. If a laboratory fire erupts, immediately? A. Notify your instructor. B. Run for the fire extinguisher. C. Throw water on the fire. D. Open the windows. E. All of the above. 2. After completing an experiment, all instruments and equipment should be: A. Left at your lab station for the next class. B. Returned orderly after use. C. Dumped in the sink. D. Taken home. E. All of the above. 3. The following footwear is best in the laboratory: A. Sandals. B. Open-toed shoes. C. Closed-toed shoes. D. Shoes appropriate for the weather. E. All of the above. 4. You have been injured in the laboratory (cut, burn, etc.), first you should: A. Visit the school nurse after class. B. See a doctor after school. C. Tell the instructor at once. D. Apply first aid yourself. E. All of the above. 5. If there is a tingling feel when working with electrical devices, you should: A. Do nothing. B. Stop and switch off the devices immediately. C. Ask your partner to touch it. D. Fix it by yourself. E. All of the above