Alkali, Solution with a pH greater than 8., Acid, Solution with pH lower than 6, Citric Acid, Acid found in citrus fruits, Atom, Smallest part of any element, Compound, A molecule with two or more different atomschemically bonded, Lime, Alkali used by farmers and gardeners toneutralise acidic soil., Indicator, Substance which changes colour depending on pH., Hydrochloric Acid, Common acid found in the lab. HCl, Limestone, Common rock used in building. Is often corrodedby acid rain., Neutralisation, Reaction which occurs when anacid and alkali are mixed, Oxide, Product of an element reactingwith oxygen., Metal oxides, produce bases, non-metal oxides, produce acids, pH, Scale used to measure acidity., Sodium Hydroxide, Common alkali found in the lab. NaOH, Sulphuric Acid, Common acid in labs, car batteries and acidrain. H2SO4, Neutral, Solution with pH 7, for example distilled water and salt solution

Acids & Alkalis

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