click below
click below
Normal Size Small Size show me how
C1.2 Glossary
Rocks and Building Materials Glossary
Term | Definition |
---|---|
Calcium carbonate which rock does it make up? What is it’s formula? | The main compound found in limestone. It is a white solid whose chemical formula is CaCO3. |
Calcium hydroxide-How is it made? What is it used for? | A white solid made by reacting calcium oxide with water. It is used as a cheap alkali in industry. |
Calcium oxide-How is it made?What is it’s chemical fomula? | A white solid made by heating limestone strongly e.g. in a lime kiln.Chemical formula is CaO |
What is cement? | A building material made by heating limestone and clay. |
What is concrete? | A building material made by mixing cement, sand and aggregate (crushed rock) with water. |
What is the test for carbon dioxide gas? | Add limewater and it turns milky/cloudy/white. |
What is limewater? | The common name for calcium hydroxide solution- used as a test for carbon dioxide gas. |
What is mortar and how is it made? | A building material used to bind bricks together. It is made by mixing cement and sand with water. |
What is thermal decomposition? | The breakdown of a compound by heat. |
The process by which limestone is turned in to calcium oxide is called……? | Thermal decomposition. |