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       #Post#: 2379--------------------------------------------------
       Re: SOME FACTS IN CHEMISTRY
   DIR By: Shelly Priscilia
       Date: March 27, 2013, 11:24 am
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       --- Quote from: Michel link ---
       >
       > yeah oil...but some oils are more popular than others... ::)
       >
       --- End Quote ---
       petroleum?
       #Post#: 2400--------------------------------------------------
       Re: SOME FACTS IN CHEMISTRY
   DIR By: Sobia Sarwar
       Date: March 29, 2013, 6:57 am
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       Lightning strikes produce O3, which is ozone, and strengthen the
       ozone layer of the atmosphere.
       The only two non-silvery metals are gold and copper.
       Although oxygen gas is colorless, the liquid and solid forms of
       oxygen are blue.
       The human body contains enough carbon to provide 'lead' (which
       is really graphite) for about 9,000 pencils.
       Hydrofluoric acid is so corrosive that it will dissolve glass.
       Although it is corrosive, hydrofluoric acid is considered to be
       a 'weak acid'.
       One bucket full of water contains more atoms than there are
       bucketfuls of water in the Atlantic ocean.
       Helium balloons float because helium is lighter than air.
       Bee stings are acidic while wasp stings are alkaline.
       Dry ice is the solid form of carbon dioxide, CO2.
       Liquid air has a bluish tint, similar to water
       Kekule dreamt a snake with his tail in his mouth forming a
       hexagonal shape so getting the idea about the structure of
       benzene
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