limestone cycle

Question 1

limstone rock -> cement

Answer 1

heat with clay

Question 2

limestone rock -> LUMP LIMESTONE calcium carbonate
CaCO3

Answer 2

.

Question 3

LUMP LIMESTONE
calcium carbonate
CaCO3

Answer 3

• used in blast furnaces to extract iron. - Used as aggregate in concrete

Question 4

LUMP LIMESTONE calcium carbonate
CaCO3 -> GROUND LIMESTONE calcium carbonate CaCO3

Answer 4

grinding mills

Question 5

GROUND LIMESTONE
calcium carbonate CaCO3

Answer 5

• heated with sodium carbonate and sand to make glass.
• Used as a filler.
• Used in agriculture to improve soil fertility

Question 6

limestone rock -> QUICKLIME calcium oxide CaO

Answer 6

strong heating in a furnace

Question 7

QUICKLIME calcium oxide CaO

Answer 7

• Used in the making of steel.
• Used to refine beet sugar.
• Used in agriculture to improve soil fertility

Question 8

QUICKLIME calcium oxide CaO -> HYDRATED LIME calcium hydroxide
Ca(OH)2

Answer 8

add more water

Question 9

HYDRATED LIME
calcium hydroxide
Ca(OH)2

Answer 9

• agriculture to improve soil fertility and to make fungicides.
• stabiliseS soil in the construction industry

Question 10

HYDRATED LIME calcium hydroxide
Ca(OH)2 -> MILK OF LIME calcium hydroxide suspended in water
Ca(OH)2

Answer 10

add more water

Question 11

MILK OF LIME calcium hydroxide suspended in water
Ca(OH)2

Answer 11

• used to treat sewage and to soften water.
• With chlorine it bleaches paper and cotton.
• Used in the manufacture of leather goods