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C1,2 Rocks and Building Materials


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Calcium carbonate
The main compound found in in limestone. it is a white solid.
Cement
A building material made by heating limestone and clay.
Concrete
A building material made by mixing cement, sand and aggragate(crushed rock) with water.
Thermal decomposition
The breakdown of a compound by heat.
Limewater
the common name for calcium hydroxide solution.
Calcium oxide
A white solid made by heating limestone strongly, for example in a lime kiln.
Calcium hydroxide
A white solid made by reacting calcium oxide with water. it is used as a cheap alkali in industry.
Mortar
A building material used to bind bricks together. it is made by mixing cement and sand with water.