APPENDIX. 



1069 



Indicated by 

 strong sul- 

 phuric acid. 



ACIDS. 

 Carbonic 



Sulphurous 



Hyposulphurous 



Hydriodic 

 Chloric 



Effervescence of a gas which 

 renders lime-water turbid. 



Effervescence : gas decom- 

 poses iodic acid. 



Effervescence of sulphurous 

 acid, and sulphur deposit- 

 ed. 



Iodine liberated. 



Peroxide of chlorine evolved, 

 and liquid bleaches. 



SPECIAL TESTS. 



Hydriodic acid, by chlorine-water and starch. 

 Iodic acid, by sulphurous acid water and starch. 

 Sulphurous acid, by iodic acid and starch., 

 Nitric acid, by sulphate of indigo. 

 Hyposulphurous acid dissolves chloride of silver. 



,, is not precipitated by nitrate of strontian. 



III. ALKALIES AND EARTHS. 



Distinctive properties of potash) soda, ammonia,, barytes, lime, 

 strontian, magnesia and alumina, in their salts ; the re-agents 

 to be applied in succession as numbered. 



RE-AGENTS. 



1 Carbonate of soda 

 2 Oxalate of ammonia 



3 Diluted sulphate of soda 

 4 Hyposulphite of soda 



Precipitates earths and not alkalies. 



Precipitates barytes, strontian and lime. 

 f Precipitates barytes and strontian, but 

 |_ not lime. 



Precipitates barytes but not strontian. 



SPECIAL TESTS. 



Caustic potash evolves ammonia. 

 Tartaric acid in excess precipitates potash. 

 Bicarbonate of potash does not precipitate magnesia. 

 Caustic potash dissolves alumina. 



