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for moderately volatile liquid wastes spillage of moderately volatile liquids could be absorbed on sand shovelled into buckets and transported to a
for highly volatile liquid wasteshighly volatile liquid waste could be disposed of by effective ventilation until the liquid completely evaporates
for water solublemiscible solid and liquid wastesthe familiar method of mopping the waste with plenty of water and running the same into the drainage
disposal of chemical wastes we shall deal with some commonly occurring chemical wastes if you need to know more details covering the disposal of a
disposal of unserviceable and obsolete items every institution may have evolved its own procedure for the same generally the following procedure is
disposal of waste materials in a school or college science laboratory chemical wastes broken glassware unserviceable non consumable items obsolete
aprons additional protection such as a rubber apron is recommended for work with appreciable amounts of chromic acid hydrofluoric acid and other
gloves gloves should be worn when transferring toxic radioactive and carcinogenic compounds irritants and corrosive liquids the practice of wearing
safety spectacles safety spectacles need to be used where there is the slightest risk of splashes of chemicals or fragments of dust glass etc
lab coats the lab coat should fit well and should be buttoned up correctly at all times cotton lab coats are more suitable than those made from
personal protective devices we shall now discuss the details of protective devices required for safety in a laboratory the aim of protective devices
code of practice in a laboratorythe following is a set of rules you should follow while working in a laboratory1 always wear the required protective
need for code of behaviour a laboratory is a potentially dangerous working environment cuts from broken glass chemical or thermal burns and
obligations of the teachers and the head of the institution towards maintaining laboratory safetysafety in laboratory work is the collective
objectives after studying this unit you should be able to1 list the obligations of the teachers and the head of the institution
introduction in this unit we introduce you to the fundamental of personal safety code in a laboratory if you do not have safe laboratory practice
melting point - physical charterstics of monocarboxylic acidsa the melting points of carboxylic acids do not change smoothly from one member to other
solubility - physical charterstics of monocarboxylic acids the lower most members of the aliphatic carboxylic acid family
physical charterstics of monocarboxylic acids physical statethe first or initial three members upto 3 carbon
the major hazards encountered in the biological lab work are diseases like infections and allergies which are caused by handling live animals
disposal you must always sterilize cultures and contaminated instruments and glassware before disposing them of or before washing-up usually you can
sterilization of apparatus for microbiology experiments containers of dangerous biological materials and the doors leading to laboratories or rooms
physical properties of acetophenone - aldehydes and ketonesa acetophenone is a colourless crystalline solid with melting point 20c and boiling point
microorganisms great care must be taken in microbiological experiments particularly with pathogenic disease producing organisms many microorganisms
blood sampling in blood sampling the skin is deliberately punctured in order to take a blood sample for analysis if this is done carelessly it is