We 'quarry' Limestone
Tick the uses of Limestone
To make calcium carbonate
To make calcium oxide
We can use limestone in buildings
To make cement.
What do we use to make concrete?
Limestone and water
Aggregate, limestone and water
Water and aggregate
Cement and water
Cement, water and aggregate
What is the symbol equation for Limestone?
CaCo
CaCo3
CaCO3
CaCO2
Thermal decomposition is when a calcium carbonate is heated strongly and decomposes, and is broken down by heat. This process produces Calcium oxide and Carbon Dioxide. This is done in a large scale in a 'lime kiln'.
In an exam, on the meaning of 'thermal decomposition' question, which of the following would need to be included to gain full marks?
decomposing
'breaking down by heating'
