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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


Universal indicator

Treating Indigestion

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


Try this bitesize resivion section on acids and bases