After reading the core notes and doing the experiment I finally know what is acid and alkaline.Actually we all do use acid and alkaline in our daily life,things like vinegar(acidic),sodium fluoride(acidic),soap(alkaline)and vegetable(alkaline).You can test out if an object is acidic or alkaline or even neutral using many different kind of indicators example:Litmus paper,phenolphthalein,methyl orange,universal indicators and pH meter(with data logger).I find this experiment fun and also interesting and now I have more knowledge.
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August 2015
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