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  1. G

    epidemiology

    1. Interview all the persons affected by the disease.Information about their age,sex,diet,occupation, lifestyle and general movements in the area will need to be gathered 2.Interview a similar sample of people in the area who have not been infected by the disease. These will need to compared to...
  2. G

    Industrial chemistry

    does anyone know in detail what the difference between soap and detergent is in relation to composition and structure -greatly appreciated
  3. G

    Sulfuric acid as oxidising agent

    don't know
  4. G

    Health and Disease

    Here's my notes on your question Hope this helps Disease is a state that impairs the proper functioning of the body or a part of the body. When some-one has a broken arm it is an IMPAIRMENT TO HAVE THE BROKEN ARM as it impairs the proper functioning of the arm, but it can not be considered a...
  5. G

    Sulfuric acid as oxidising agent

    Concentrated sulfuric acid can react with unreactive metals such as copper and zinc making each lose 2 electrons while dilute sulfuric acid is unable to react with these unreactive metals and hence can not act as an oxidising agent on these metals unlike the concentrated form Zn+ H2SO4 ->...
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