viii CONTENTS 



CHAP. PAGE 



XIV SIMPLE CHEMICAL OPERATIONS 207 



XV THE ATMOSPHERE 217 



XVI WATER AND THE ELEMENTS COMPOSING IT .... 233 



XVII SULPHUR AND ITS COMPOUNDS 248 



XVIII SALT '. 262 



XIX CHEMICAL NOMENCLATURE . 270 



XX PHOSPHORUS AND ITS COMPOUNDS 278 



XXI CARBON AND SOME OF ITS COMPOUNDS 285 



XXII ACIDS, BASES, AND SALTS 299 



XXIII CALCIUM CARBONATE, AND SILICA 312 



ANSWERS 317 



INDEX 321 



