siccating agents 55

Developers 367

Dewar bulb 91

Dextrose 414

Diamond 197

Dichromates 385

Dichromic acid 385

Dimorphous substances 163

Dissociation 99
and boiling point 101
and freezing point 101
equations of 112
extent of 113

Distillation 50

Dogtooth spar 306

Dolomite 319

Double decomposition 71

Drummond light 38

Dyeing 333

Dynamite 409

Earth metals 327

Efflorescence 54

Electric furnace 221

Electro-chemical industries 269

Electrode 99

Electrolysis 99
of sodium chloride 102
of sodium sulphate 103
of water 41, 102

Electrolytes 99

Electrolytic dissociation 99

Electroplating 366

Electrotyping 359

Elements, definition 8
atomic weights 232
earlier classification 165
names 11
natural groups 165
number of 9
occurrence 10
periodic division 166
physical state 10
symbols of 11

Emery 331

Energy 4
and plant life 89
chemical 5
conservation of 4
transformation of 5

Enzyme 405

Epsom salts 320

Equations 68
are quantitative 72
knowledge requisite for 69
not algebraic 74
reading of 69

Equilibrium 138
chemical 138
in solution 139
point of 138

Equivalent 224
determination of 224
elements with more than one 225
relation to atomic weight 224

Etching 177

Ether 411

Ethereal salts 409

Ethers 411

Ethylamine 412

Ethylene series 399

Eudiometer 43

Evaporation 11

Families in periodic groups 170
triads 165

Family resemblances 170

Fats 409

Fatty acid series 405

Feldspar 261, 335

Fermentation 404
acetic 406
alcoholic 404, 405
lactic 414

Ferric chloride 352
hydroxide 352
salts 351
reduction 353
sulphate 352

Ferrochromium, 383

Ferromanganese 343

Ferrosilicon 259

Ferrous carbonate 351
salts 350
oxidation of 353
sulphate 350
sulphide 350

Fertilizers 245

Filtration 6, 51
beds 52

Fire damp 202

Flames 213
appearance 214
blowpipe 216
Bunsen 214
conditions for 213
hydrogen 34
luminosity 216
oxidizing 214
oxyhydrogen 37
reactions 296
reducing 214
structure 214

Flash lights 317

Flint 260

Fluorides 177

Fluorine 175

Fluorspar 175, 308

Fluosilicic acid 259

Flux 340

Fool's gold 351

Formaldehyde 405

Formalin 405

Formic acid 406

Formulas 68
how determined 234
structural 119

Fractional distillation 51

Franklinite 321

Fuels