What is the Limestone Cycle?
Calcium Carbonate -> Calcium Oxide -> Calcium Hydroxide (s) -> Calcium hydroxide (aq) -> Calcium Carbonate
Calcium Carbonate -> Calcium Hydroxide (s) -> Calcium Hydroxide (aq) -> Calcium Oxide -> Calcium Carbonate
How do we make cement?
Limestone
Limestone + Aggregate
mortar + sand
clay + aggregate
limestone + clay
How do we make mortar?
clay + sand
Cement + sand
cement + aggregate
aggregate + sand
How do we make concrete
mortar + aggregate
What are the three main issues about Quarrying limestone?
-noise -smell -landscape
-unemployment -pollution -waste of money
-expensive -pollution -smell
-noise -pollution -ruins landscape
-pollution -noise -kills workers
-uncool -can't eat a maccies -your gonna fail your gcse's.
What are the advantages of quarrying limestone?
-jobs -renewable -cheap to extract
-jobs -valuable material
-boosts economy -sells well - provides work
Complete the word equation... Zinc carbonate -> .... + .....
Zinc dioxide + carbon monoxide
zinc oxide + carbon monoxide
zinc carbonate + water
zinc oxide + carbon dioxide
