Limestone Flashcards
What is the chemical name for limestone?
Calcium Carbonate
What is the symbol equation for calcium carbonate?
CaCO3
What is the chemical name for CaO?
Calcium Oxide
What is the chemical name for Ca(OH)2?
Calcium Hydroxide
What is the symbol equation for Calcium Hydroxide?
Ca(OH)2
What is thermal decomposition?
Breaking a substance down, using heat
What can you use Calcium Oxide for?
Neutralise acid lakes and soils
What is produced when you heat Calcium Carbonate?
Calcium Oxide and Carbon Dioxide
What is the test for CO2?
Limewater, from clear to cloudy
Name 3 advantages of quarrying limestone.
Makes money for the economy
Gives people jobs
Restored after use
Gives us valuable limestone
Name 3 disadvantages of quarrying limestone.
Noisy Messy Creates traffic Destroys habitats Destroys areas of natural beauty
What happens to the strength of concrete the more sand you add?
More sand weakens the concrete
What is the symbol equation for Calcium Oxide?
CaO