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Activity to Learn The Handling Of Hazardous Chemicals: Use Of Fume Cupboard
Previous you learn about the importance of fume cupboard and its usage. There are many chemicals which are very corrosive causing serious bums to skins and eyes and give away poisonous vapours when the container is opened. Bromine, carbon tetrachloride and organic solvents are some examples. Also, there could be a chemical reaction which results in the production of corrosive fumes with violent reaction, foul smell etc. For example, nitration, benzoylation and bromination reactions etc. For such chemicals and chemical reactions, a fume cupboard is to be used. You know how a fume cupboard looks like. Your counsellor will demonstrate some chemical reaction showing the use and significance of fume cupboard.
12.3.1 Requirements
Apparatus and Chemicals - to be arranged by the counsellor depending upon the experiment to be carried out in the fume cupboard.
12.3.2 Procedure
Observe carefully the demonstration of the reaction carried out by your counsellor in the fume cupboard. Submit the report to your counsellor in the format given below.
12.3.3 Report
A schematic diagram of the fume cupboard is given below. Positions for supply of gas, water and electricity and, ventilation is indicated.
1.A brief description of the experiment is given below
2.The fume cupboard is needed for the experiment for the following reasons
a) The vacuum in the headspace of a can of food is normally formed by "hot fill" exhausting - that is, the cans are closed when the can is filled with product at a temperature of 8
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