C.13 carbonates Flashcards
1
Q
what does it make?
A
lime (calcium oxide)
2
Q
how do u make it?
A
thermal decomposition
3
Q
equation?
A
CaCo3= heat= CaO + CO2
4
Q
where does it happen?
A
kiln ( hot air)
5
Q
what type of reaction is this?
A
reversible reaction
6
Q
why is the CO2 made carried out of the kiln?
A
so it doesn’t react back with the CaO to produce CaCO3
7
Q
what else is removed?
A
CaO
8
Q
uses?
A
- treat acidic soil- industrial wastes
-factories (Sulphur dioxide reacts w
