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fire hazards in the laboratory the average science laboratory is a particularly hazardous area when it comes to fire flammable liquids compressed
objectivesafter studying this unit you should be able to1 explain the significance of the fire triangle2 list common causes of fire3
introduction in the first unit of this block you read about hazards due to electricity and gases in the science laboratories the second unit deals
issues related to safety managementi plant design - there was a major error in the plant design there was no need of storing such a hazardous
judicious use of plantanimal material for lab purposeslive or preserved biological material is an essential requirement in all bio-labs this material
ethical issues concerning use of animals for experimentation and educational purposesi animals procured handled and looked after according to the
conducting experiments on animalsi the qualifications or experience of the persons performing experiments on animalsii comfortable conditions
procuring and storing animal materialsi you can begin by asking for a clarification or reaching a common understanding regarding the oft-used
objectiveswhile undertaking this exercise and after its completion you should be able to share with your peer group the relevant information1
introduction this exercise is based on here laws and regulations of this course what are we going to do in this exercise - this might be the
preparation of report for an imaginary accidentin case of serious accidents accident report has to be sent to the head of the institution who may use
first aid procedures your counsellor will explain the first aid procedures through a demonstration session carefully observe ali the steps try
preparation of guidance charts for first aid your counsellor will form groups of four students using the materials from the sections of unit 16
objectivesafter doing this exercise you should be able to1 prepare a list of contact phone numbers required for handling laboratory accidents state
introduction by doing this exercise you will learn how to deal with emergency situations arising out of laboratory accidents you are aware that a
test for studying suitable chemical treatment for changing the chemical nature of iodinereactivity of iodine is tested with1 water and2
procedure your counsellor will be performing the following experiments you are advised to observe the disposal methods carefullyexperiment 1 test
requirements chemicalsthe following materials are common for the whole batch of students at the study centre since this is a demonstration
objectivesafter observing the demonstration experiments you should be able to1 state the need for understanding the characteristics of a chemical
apart from acidic waste bromine waste is also treated using this methodexercises examples perchloric acid sulphuric acid hydrochloric acid nitric
chemical reactivity the substances which react violently or produce flame on contact with water can be given suitable chemical treatment to convert
emulsification water immiscible liquid wastes can be emulsified using soap or detergent solution and then run into the drainage examples benzene
evaporationhighly volatile liquid wastes could be disposed of by effective ventilationexample diethyl et-hermoderately volatile liquid wastes can be
dissolution and dilution water soluble1 miscible chemical wastes which are harmless in high dilution may be run into the drainage with plenty of
introduction in this activity your counsellor will perform some experiments illustrating the principles behind some of the disposal procedures these