limestone cycle Flashcards
1
Q
limstone rock -> cement
A
heat with clay
2
Q
limestone rock -> LUMP LIMESTONE calcium carbonate
CaCO3
A
.
3
Q
LUMP LIMESTONE
calcium carbonate
CaCO3
A
- used in blast furnaces to extract iron. - Used as aggregate in concrete
4
Q
LUMP LIMESTONE calcium carbonate
CaCO3 -> GROUND LIMESTONE calcium carbonate CaCO3
A
grinding mills
5
Q
GROUND LIMESTONE
calcium carbonate CaCO3
A
- heated with sodium carbonate and sand to make glass.
- Used as a filler.
- Used in agriculture to improve soil fertility
6
Q
limestone rock -> QUICKLIME calcium oxide CaO
A
strong heating in a furnace
7
Q
QUICKLIME calcium oxide CaO
A
- Used in the making of steel.
- Used to refine beet sugar.
- Used in agriculture to improve soil fertility
8
Q
QUICKLIME calcium oxide CaO -> HYDRATED LIME calcium hydroxide
Ca(OH)2
A
add more water
9
Q
HYDRATED LIME
calcium hydroxide
Ca(OH)2
A
- agriculture to improve soil fertility and to make fungicides.
- stabiliseS soil in the construction industry
10
Q
HYDRATED LIME calcium hydroxide
Ca(OH)2 -> MILK OF LIME calcium hydroxide suspended in water
Ca(OH)2
A
add more water
11
Q
MILK OF LIME calcium hydroxide suspended in water
Ca(OH)2
A
- used to treat sewage and to soften water.
- With chlorine it bleaches paper and cotton.
- Used in the manufacture of leather goods