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