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