Chemistry Glossary

Bauxite

Bauxite - the ore of aluminium

Calcite

Calcite - the mineral of limestone

Carbonic acid

Carbonic acid - when rain falls, it reacts with carbon dioxide in the air to form carbonic acid

Chalk

Chalk - rock that is composed largely of the mineral calcite; it is softer than limestone and marble

Cinnabar

Cinnabar - the ore of mercury and being a mixture of mercury(II) sulphide and impurities

Effervescence

Effervescence - the process of bubbling as gas escapes from a solution

Erosion

Erosion - the wearing away of surface materials and the movement of products of weathering from where they formed to a different location

Haematite

Haematite - the ore of iron

Limestone

Limestone - rock that is composed largely of the mineral calcite; it is softer than marble but harder than chalk

Limewater

Limewater - the common name for saturated calcium hydroxide solution

Marble

Marble - rock that is composed largely of the mineral calcite; it is harder than chalk and limestone

Mineral

Mineral - the individual chemical compounds that make up rocks

Molten

Molten - describes metals or rocks that are in a liquid state because of great heat

Ore

Ore - rocks from which metals are obtained

Quicklime

Quicklime - the common name for calcium oxide

Slaked lime

Slaked lime - the common name for calcium hydroxide

Weathering

Weathering - the process for which solid rock is broken down into smaller pieces and changed into other materials

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