Credits
http://dictionary.reference.com/browse/chemistry
http://chemistry.about.com/od/everydaychemistry/ss/10-Examples-of-Chemistry-in-Daily-Life_6.htm#step-heading
http://en.wikipedia.org/wiki/Chemistry
http://www.pub.gov.sg/products/usedwater/Pages/IndustrialWaterProductionProcess.aspx
http://water.usgs.gov/edu/wuin.html
http://orgchem.colorado.edu/Technique/Procedures/Filtration/Filtration.html
http://www.who.int/water_sanitation_health/hygiene/emergencies/fs2_13.pdfhttp://orgchem.colorado.edu/Technique/Procedures/Filtration/Filtration.html
http://chemistry.about.com/od/everydaychemistry/ss/10-Examples-of-Chemistry-in-Daily-Life_6.htm#step-heading
http://en.wikipedia.org/wiki/Chemistry
http://www.pub.gov.sg/products/usedwater/Pages/IndustrialWaterProductionProcess.aspx
http://water.usgs.gov/edu/wuin.html
http://orgchem.colorado.edu/Technique/Procedures/Filtration/Filtration.html
http://www.who.int/water_sanitation_health/hygiene/emergencies/fs2_13.pdfhttp://orgchem.colorado.edu/Technique/Procedures/Filtration/Filtration.html