Acids And Bases definitions
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Define acids
Substances with a pH between 0 and 7
Define bases
Substances with a pH between 7-14
Define an alkali
Base that dissolves in water
Define corrosive
Substance that dissolves or eats away at metals and other strong materials
Define a pH
Number between 0-14 that tells us how acidic or basic a water soluble substance is
Define neutral
Substance that is not an acid or a base with a pH of 7
Define an indicator
Dye that has different colours in acids and bases
Define neutralisation
Chemical reaction in which an acid and a base rat to produce a salt and water
Define acid rain
Rain water is more acidic than natural rain water because of gases that are realised into the atmosphere by industries
Define metal hydroxide
Compound consisting of a metal and a hydroxide for example Mg(OH)2 can be formed when a metal oxide reacts with water
Define a testable question
A question is what you are trying to answer through your investigating
Define Metal carbonates
A compound consisting of a metal and a carbonated Eg CaCO2
Define density
An amount in a given volume of a material