STUDY NOTES - TOPIC 13 CARBONATES - CHEMISTRY CIE IGCSE
I have published a compilation of study notes on every topic of the CIE IGCSE Chemistry course (except topic 3 which I can't seem to find). Using these study notes, I got an A* in Chemistry (well actually a 9 out of 9) and I found that withou...
1. To neutralise acidic soil
2. To neutralise acidic liquid wastes from factories
3. To neutralise acidic gases from power stations
Uses of limestone
Where it is used What for?
In the steel industry To remove acidic impurities when extracting iron and making steel
In the building industry To make cement; limestone is heated with clay, then gypsum
(calcium sulfate) is added
On the farm To neutralize acidity in soil
At the power station Two remove acidic flue gases, such as sulfur dioxide, produced
when the sulfur compounds in fossil fuels burn. The removal of
sulfur dioxide from flue gases is called desulfurization
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