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Introduction to acids and alkalis  common acids and alkalis in daily life and in the laboratory  characteristics and chemical reactions of acids as illustrated by dilute hydrochloric acid and dilute sulphuric acid  acidic properties and hydrogen ions (H+(aq))  role of water in exhibiting properties of acid  basicity of acid  characteristics and chemical reactions of alkalis as illustrated by sodium hydroxide and aqueous ammonia  alkaline properties and hydroxide ions (OH(aq))  corrosive nature of concentrated acids and concentrated alkalis

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