Rocks and building materials Flashcards
1
Q
How do you make concrete?
A
Mixing cement, sand, aggregate and water.
2
Q
What are produced when carbonates react with acids?
A
A salt, water and carbon dioxide.
3
Q
What is calcium hydroxide solution?
A
Limewater.
4
Q
How is calcium hydroxide used?
A
It is used by farmers to neutralise acidic soils.
5
Q
How do you make cement?
A
Limestone mixed with clay in a kiln.
6
Q
How do you make mortar?
A
Cement, sand and water.