34 



PRACTICAL FARM CHEMISTRY. 



^xygen ( fQpjj^jjjg carbonic acid 



Oxygen . | forming potash (po- 

 Potassium ) tassium oxide 



forming carbon- 

 ate of potash or 

 pearl ash. 



nSI |en I ^^^n^i^^ ^i*^^ ^^i^ 

 Oxygen | forming caustic lime 

 Calcium ) (calcium oxide). 



SftrSen [ fo™i"g "it"" ««id 



forming nitrate of 

 lime. 



forming nitrate of 

 soda (Chili or cubic 

 saltpetre). 



T^?Z5^^^ . forming nitric acid forming nitrate of 

 oSn ) ^P^^^^^ (common 



Potassium f ^^^"^i^S potash J saltpetre or nitre). 



Oxygen \ forming phospho- ") 

 Phosphorus i ric acid ! 



8aiSlf«--«--t-i™«r"™" 



forming ph'sphate 



Oxygen ) forming sulphuric ^ 

 Sulphur j acid 

 Oxygen [ forming caustic 

 Calcium \ lime 



forming sulphate of 

 lime (gypsum, land- 

 plaster.) 



Oxygen ) forming sulphuric ] 



Sulphur I acid I forming sulphate of 



forming soda J ««^* ^^^^^^^^"^ »^1*«) 



Oxygen 

 Sodium 



Oxygen ) forming sulphuric ^ 

 Sulphur j acid 

 Oxygen ) forming mag- 

 Magnesium ) nesia 



forming sulphate of 

 magnesia ( Epsom 

 salts). 



Oxygen ) forming sulphuric 1 



Sulphur j acid > forming sulphate of 



pSSaxnlf-mingpotashjPO^-^- 



