182 



CHART A 15. Potassium-sulphide Reactions. 



CHART A 16. Sodium-hydroxide Reactions. 







I * %2 >P 



d WC* tf>- 



il $ s!3 |=g 



d 8 i^iS ^ s SS *5 



III MI yl 2 " ^ 



321 i 3ii sss ii 



sS Ss 3 



m 



