C1.2 Rocks and Building Materials Flashcards
State an environmental impact of producing mortar
It is produced from quicklime. Quicklime is produced in a rotary kiln which produces CO2 gas and contributes to global warming.
Chemical Name for Limestone
Calcium Carbonate
Formula for Limewater
Ca(OH)2(aq)
Equation for thermal decomposition of magnesium carbonate
MgCO3(s) –> MgO(s) + CO2(g)
Equation for thermal decomposition of calcium carbonate
CaCO3(s) –> CaO(s) + CO2(g)
Chemical name for quicklime
Calcium Oxide
Equation for reaction of calcium oxide with water
CaO(s) + H2O(l) –> Ca(OH)2(aq)
Formula for Slaked Lime
Ca(OH)2(aq)
Equation for reaction of calcium carbonate with hydrochloric acid
CaCO3(s) + HCl(aq) –> CaCl2(aq) + CO2(g) + H2O(l)
Name the salt produced when lime stone reacts with sulphuric acid in acid rain
Calcium sulphate (CaSO4)
Equation for reaction of lime water with carbon dioxide
Ca(OH)2(aq) + CO2(g) –> CaCO3(s) + H2O(l)
Formula for Calcium Oxide
CaO
Equation for thermal decomposition of Copper Carbonate
CuCO3(s) –> CuO(s) + CO2(g)
Chemical name for slaked lime
Calcium Hydroxide (solid)
Name one environmental impact of CO2
Global warming/effects oceans