June 2013

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AS 90944: Acids and Bases

Properties of acids Weak acids have a sour taste Acids change the colour of indicators such as phenolphthalein, litmus and universal indicator. Acids react with certain metals to form hydrogen gas (zinc, magnesium, aluminium ,iron and other reactive metals but not copper) and a salt Acids react with carbonates and hydogen carbonates (old fashioned name […]

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