C1.2 Limestone Flashcards
What is the equation for the thermal decomposition of calcium carbonate?
HeatCalcium Carbonate —–> Calcium Oxide + Carbon Dioxide
What do metals high up in the reactivity series need a lot of to decompose carbonates ?
Energy
Limestone is a type of what ?
Rock
Limestone is composed of what ?
Calcium carbonate
Limestone is used in the manufacture of what ?
Cement and concrete
What is quarrying?
Quarrying means digging things out of the ground
What is an advantage of quarrying ?
Limestone is a valuable natural resource and is used to make things such as glass and concrete. It creates jobs locally.
How fast do limestone , cement and mortar react with carbon dioxide when it is dissolved in rain water ?
Slowly
What is an disadvantage of quarrying ?
Quarrying is a heavy industry that causes noise pollution , dust pollution and visual pollution.
Which out of these 3 are easily formed into different shapes: 1) cement2) mortar3) concrete
3) concrete
What is the other name for quicklime ?
The other name for quicklime is calcium oxide
How is cement made?
Cement is made by heating powdered limestone with clay.
What is an advantage of using glass ?
Glass is transparent and so let’s light into buildings and is very effective.
What does limestone break down into ?
It breaks down to form calcium oxide and carbon dioxide
What are the disadvantages of glass ?
Glass breaks easily and is fragile , it also makes houses very hot in the summer
