Limestone Flashcards
What is the reaction called that turns limestone into quicklime?
Thermal decomposition reaction
What is the chemical name for limestone?
Calcium carbonate/CaCO3
What is given off in a thermal decomposition reaction?
Carbon dioxide
What is the product of the thermal decomposition reaction?
Quicklime/calcium oxide/CaO
When you add a small amount of water to quicklime, what is formed?
Slaked lime/calcium hydroxide/Ca(OH)2 (s)
Adding excess water then creates…
…calcium hydroxide/limewater/Ca(OH)2 (Aq)
What do you add to limewater to create limestone?
Carbon dioxide
What do you need to make glass?
Powdered limestone, sand and sodium carbonate
What do you need to make concrete?
Powdered clay, sand, crushed rocks and cement powder
What do you need to make cement?
Powdered limestone and powdered clay
Is: quarrying provides jobs for local people, an advantage or disadvantage?
Advantage
Is: quarrying creates lots of noise pollution and traffic from lorries, an advantage or disadvantage?
Disadvantage