For safety purposes, it is advisable for individuals with long hair to cut their hair short before entering the laboratory. Wearing a laboratory gown over one's clothes when performing experiments inside the
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- What is the importance of Chemical Safety in the laboratory?In a few lines, describe the IMMENENT IMPORTANCE of “Green Chemistry" and its importance to Society.(4) Treatises are (a) A comprehensive presentation of broad area of chemistry. (b) Books of comprehensive discussions of contemporary knowledge in a limited field. (c) Contain complete reports of the research work that are done for advanced academic degree. (d) The paper of conference may be published in a separate volume rather than journals. (5) Aldrichimica Acta is an example on periodical published by (a) Chemical and scientific societies (b) Private companies (c) universities (d) Private industries
- 2. Why is it important to know the use of laboratory tools and equipment?What are the types of gravimetric methods? Give an examples where each method is used in an analysis. What is particulate gravimetry? When do we use this technique?The air in a recently used classroom 9m x 7m x 9m tested 0.12% carbon dioxide. How many cubic meters of fresh air must be admitted per minute in order that 10 minutes later it shall contain not over 0.06% carbon dioxide. Fresh air contains 0.04% carbon dioxide. Assumeimmediate mixing of fresh with stale air. (A) 14 (B) 11 (C) 15 (D) 19 (E) 17
- what is the significance of gravimetry analysis?Is it acceptable to recycle the containers of hazardous chemicals? Why or why not? Explain your answer within the context of chemical safety.Describe the purpose of pictograms of safety in the chemistry lab. Provide examples ofcommon pictograms and explain their meanings