725084
Beschreibung
Quiz von omgstudytime, aktualisiert more than 1 year ago
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Erstellt von omgstudytime
vor etwa 10 Jahre
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Frage 1
Frage
We 'quarry' Limestone
Antworten
- True
- False
Frage 2
Frage
Tick the uses of Limestone
Antworten
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To make calcium carbonate
-
To make calcium oxide
-
We can use limestone in buildings
-
To make cement.
Frage 3
Frage
What do we use to make concrete?
Antworten
-
Limestone and water
-
Aggregate, limestone and water
-
Water and aggregate
-
Cement and water
-
Cement, water and aggregate
Frage 4
Frage
What is the symbol equation for Limestone?
Antworten
-
CaCo
-
CaCo3
-
CaCO3
-
CaCO2
Frage 5
Frage
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'.
Antworten
- True
- False
Frage 6
Frage
In an exam, on the meaning of 'thermal decomposition' question, which of the following would need to be included to gain full marks?
Antworten
-
decomposing
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'breaking down by heating'
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