322 



INDEX 



British and metric units of, area, 

 relation between, 27 ; length, 

 relation between, 23, 24; mass, 

 relation between, 45 ; volume, 

 relation between, 30 



British system, units of mass in 

 the, 44, 45 



Bunsen's cell, 192, 193 



CALCIUM, carbonates and silica, 

 311316; salts, 300, 301 



Carbon,and some of its compounds, 

 285 298 ; compounds of, with 

 hydrogen, 294 295 ; forms of, 

 285, 286 ; lower oxide of, 292, 

 293 



Carbonates, 286 ; calcium, and 

 silica, 311 316; occurrence of, 

 311313 



Carbon dioxide, lime and, 288, 

 289 ; occurrence of, 291 ; pro- 

 perties of, 290 ; uses of, 290, 291 



Cell, Daniell's, 191, 192; Le- 

 clanche's, 193; Smee's, 188; 

 Bunsen's and Grove's, 192, 193 ; 

 simple voltaic, construction of, 

 184197 



Centigrade scale, the, 141 



Centre of gravity, 81 88 ; experi- 

 mental methods of determining, 

 8284 ; of a quadrilateral, 85 ; 

 of a triangular plate, 84, 85 



Centres of gravity, parallel forces 

 and, 7490 ; other, 85 



Changes, chemical, in a simple 

 cell, 188190 ; in a coke fire, 

 293, 294 ; physical and chemical, 

 207, 208 



Chemical, action, 217, 218 ; energy 

 of, 127, 128; quantitative 

 character of, 223225 ; actions 

 represented by equations, 274 

 276 ; change induced by the 

 electric current, 198206 ; 

 changes in a simple cell, 188 

 190 ; composition of air, 218, 

 219 ; elements, 208 ; equations, 

 271,272; nomenclature, 270 

 277 ; operations, simple, 207 

 216; physical and, changes, 

 207, 208 



Chemically prepared silica, 314 



Chlorate, potassium, 223 



Chloride, potassium, 223 



Chlorine, preparation and pro- 

 perties of, 264 267 ; various 

 compounds of, 267 



Cohesion, 14 



Coke fire, changes in a, 293, 294 



Colour disc, 180 



Combustion and rusting, 228230 



Composition of ammonia, 306, 

 307 ; of hydrochloric acid gas, 263, 

 264 ; of salt, 263, 264 ; of water 

 by volume, 240 242 ; of water 

 by weight, 242 244 ; quantita- 

 tive, of sulphuretted hydrogen, 

 258 



Compounds, sulphur and its, 248 

 261 ; carbon and some of its, 

 285298 ; mixtures and, 213, 

 214 ; of carbon with hydrogen, 

 294, 295 ; of chlorine, various, 

 267 ; phosphorus and its, 278 

 284 ; of phosphorus and hydro- 

 gen, 280282 



Compressibility of matter, 4, 5 



Conduction of heat, 145 148 



Conductors of heat, good and bad, 

 145148 



Conservation of energy, 128, 129 ; 

 of momentum, 57, 58 



Constituent, the active, of air, 219, 

 220 



Construction of a thermometer, 

 138, 139 ; of simple voltaic cells, 

 184197 



Convection, 148, 149 ; applica- 

 tions of heating by. 148, 149 



Copper sulphate, electrolysis of, 

 203, 204 



Crystalline sulphur, 250, 251 



Crystallisation, 212 



Current, the electric, 126, 127 ; 

 chemical change induced by the, 

 198206 ; passage of an electric, 

 198205 ; passage of the, 

 through liquids, 199205 ; 

 work done by the, 194, 195 



DANIELL'S CELL, 191, 192 



Day, mean solar, 34, 35 ; sidereal,. 



35 



Decomposition, double, 257 

 Definition of motion, 36 

 Density, 95105 ; of gases, rela- 



