Unit 1-2.1- Limestone and it's uses Flashcards
1
Q
What do we quarry large amounts of and why?
A
Limestone rock because it has many uses.
2
Q
What are some uses of limestone?
A
Blocks of limestone can be used for building and limestone is also used to make calcium oxide and cement.
3
Q
How do we make concrete?
A
By mixing cement with sand aggregate and water.
4
Q
What is limestone mainly?
A
calcium carbonate.
5
Q
What happens when calcium carbonate is heated?
A
It decomposes to make calcium oxide and carbon dioxide.
6
Q
What is this type of reaction called?
A
Thermal decomposition.
