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 atoms chemically bonded, Lime, Alkali used by farmers and gardeners to neutralise 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 corroded by acid rain., Neutralisation, Reaction which occurs when an acid and alkali are mixed, Oxide, Product of an element reacting with 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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