01. Strict silence should be observed while doing experiments in the laboratory. 02. The instructions given by the teachers and the laboratory assistants must be followed. 03. Students will be responsible for any breakage or loss of the apparatus which is used in the experiment. Every breakage or loss should immediately be reported to the teacher-in-charge. 04. Students shall bring to laboratory proper record books and observation note books and shall record all observations immediately after the experiment is performed. 05. Students shall hand over the chemicals and apparatus taken for the experiment to the teacher after the experiment is over. They shall not take out or bring in any chemicals or instrument to the laboratory.