The pH scale By garikaib|2022-09-15T12:39:29+02:00January 24th, 2023|Notes, O Level Science Notes, Ordinary Level Notes| Universal indicator results showing the pH of various solutions. Image credit MediaWiki ZIMSEC O Level Combined Science Notes: The pH scale The pH colour chart. Image […] Quick NetOne, Econet, And Telecel Airtime Recharge Number to recharge: Airtime amount ($): EcoCash number: Buy {{error_message}} {{error_message}} Read More Comments Off on The pH scale