27 August 2005

..::silicon::..

[silicon oxide or silica is used to absorb water]


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this is what is extracted when crude oil is being fractionally distilled
-petroleum gas
-petrol
-naptha
-kerosene
-diesel oil
-lubricating oil
-bitumen

the ones at the top have shorter chains than the ones at the bottom beacuse since they have shorter chains, they have a lower boiling points and so can condense at the top.Bitumen will not boil to the gaseous state but instead flow out of the frationating column
well...u can ask ameerul on how to remember the fraction order...yeah...

2 comments:

the gal said...

hi zhihui dropped by. u're indeed a science freak =P

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