Flashcards
Compounds and Using Limestone
Flashcards do conjunto (9)
- 1What is a Covalent Bond?A compound formed from non-metals with each atom sharing an electron with another atom
- 2What is the main compound in Limestone?Calcium Carbonate
- 3How is Limestone sourced?By quarrying
- 4What happens when Calcium Carbonate (CaCO3) is heated?It Thermally decomposes to make calcium oxide and carbon dioxide
- 5What does Calcium Oxide react with to make Calcium Hydroxide?Water
- 6What is Calcium Hydroxide and what can it be used for?An alkali which can be used to neutralize acidic soil
- 7How is cement made?Limestone is heated in a kiln with powdered clay
- 8How is mortar made?Cement is mixed with sand and water
- 9How is concrete formed?Cement is mixed with sand and aggregate