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Everyday acids and alkalis


Definition of 'Alkali'

The word 'alkali' is unusual and comes from the arabic words for ashes(al kali). Early arabs dissolved ashes in water to make alkaline solutions that were very good for cleaning things.

http://www.hse.gov.uk/chip/phrases.htm This is a site with a list of the different hazard symbols and risk phrases too.

ph scale

Safety Rules

Neutralisation

Universal indicator

Treating Indigestion

Try this site to find out about acid rain !!!

http://en.wikipedia.org/wiki/Acid_rain

Try this bitesize resivion section on acids and bases
http://www.bbc.co.uk/schools/ks3bitesize/science/chemistry/acids_bases_intro.shtml