Acidic - substances contain acid are acidic
Acidity - describes the strength of an acid
Alkali - a base that is soluble in water
Alkaline - substances contain alkai are alkaine
Anhydrous - describes substances that do not contain water
Base - a substance which can neutralize acid
Basicity - the maximum number of hydrogen ions produced by an acid molecule
Carbonic acid - an acid soft drinks contain
Citric acid - an acid citrus fruits such as oranges, lemons, grapefruits contain
Complex salt - some metal hydroxides dissolve in dilute sodium hydroxide solution or dilute aqueous ammonia due to the formation of solution complex salts
Deliquescent - describes substances that absorb water vapour from the air to an extent that they dissolve in water absorbed
Dibasic acid - describes an acid with a basicity 2
Dissociation - the process that acid molecules dissociate (or ionize) to give hydrogen ions (H+(aq)) when the acid dissolves in water
Effervescence - the process of bubbling as gas escapes from a solution
Ethanoic acid - the main ingredient in vinegar, whose chemical formula is CH3COOH
Hydrochloric acid - an acid commonly used in laboratory, whose chemical formula is HCl
Hydroxonium ion - also called hydronium ion; the species that formed when a hydrogen ion forms a dative covalent bond with a water molecule, its chemical formula is H3O+
Hygroscopic - describes substances that can absorb water vapour from the air
Indicator - a substance which gives different colours in acidic and alkaline solutions
Lactic acid - an acid that makes milk sour and builds up in muscules during strenuous exercise
Litmus paper - a piece of filter paper in litmus solution and then drying it
Litmus solution - a common indicator used in the laboratory
Methyl orange - a common indicator used in the laboratory
Monobasic acid - describes an acid with a basicity 1
Neutralization - a chemical reaction that an acid reacts with a base to form a salt and water
Nitric acid - an acid commonly used in laboratory, whose chemical formula is HNO3
Phenolphthalein - a common indicator used in the laboratory
Phosphoric acid - an acid soft drinks may contain as well
Qualitative analysis - describes an analysis that deals with the identification of chemical species present in a sample
Quantitative analysis - describes an analysis that deals with the determination of how much a constituent is present in a sample
Sulphuric acid - an acid commonly used in laboratory, whose chemical formula is H2SO4
Tribasic acid - describes an acid with a basicity 3
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