INDEX 



(The numbers refer to the pages.) 



Acid, hydrochloric, 144, 145. 

 nitric, 146. 

 sulphuric, 142, 143. 

 Air, active part of, 125-128; effect 



of heated metals on, 118 ; effect 



of burning phosphorus on, 119. 

 Alcohol, distillation of, 115. 

 Alkalies, 148-150. 

 Allotropy, 106. 

 Alum, 97. 

 Ammonia, 149. 

 Amorphous, 90. 

 Anhydrous, 98. 

 Aqua fortis, 146. 



Archimedes, principle of, 51, 52. 

 Area, units of, 11 ; measurement 



of, 12. 

 Area of, a rectangle, 12 ; triangle, 



14 ; parallelogram, 13 ; circle, 



15. 



Argon, 133. 

 Atmosphere, pressure of, 61-65 ; 



composition of, 133. 



Balance, 41, 42. 



Barometer, mercurial, 63 : cistern, 

 64 ; aneroid, 65. 



Bases, 160. 



Blue vitriol, 98 ; water of crystalli- 

 sation in, 98. 



Boiling point of water, 79, 81. 



Boyle's Law, 66-69 



Brittle, 91. 



Bunsen burner, 93. 



Buoyancy, 51. 



Burning (see Combustion), 119. 



Cakium oxide, 149, 174. 

 hydroxide, 149. 



Calcium chloride, 174. 



carbonate, 174 (see Chalk). 

 Candle, burning of, in oxygen, 129. 

 Capacity, 19. 

 Carbon, burning of, in oxygen, 129 ; 



different forms of, 163. 

 Carbon dioxide, 164-173 ; in air, 



133, 165; synthesis of, 164; 



action of plants on, 166, 167 ; 



composition of, 168-169. 

 Caustic potash, 149 ; caustic soda, 



148. 



Centigrade scale, 82 

 Centimetre, 17. 

 ChpJk, 95 ; action of acids on, 167 ; 



composition of, 172-175 ; action 



of heat on, 172 ; weight of gas 



evolved by acids, 173-174. 

 Chalk gas (see Carbon dioxide). 

 Circle, circumference of, 6 ; area of, 



15. 



Colour, 89. 



Combustion, 131, 132. 

 Compounds, 138, 139. 

 Condensation, 115. 

 Copper, 109. 

 Crystalline, 90. 

 Crystallisation, 102 ; water of, 97, 



98. 



Crystals, 103. 

 Cylinder, volume of, 20 ; graduated, 



18. 



Decrepitation, 108. 



Deflagrating spoon, 129 



Deliquescence, 108. 



Density, 44, 45 ; of liquids, 46 ; of 



small solids, 53 ; relative, 53 ; 



bottle, 47 ; tube, 48. 



179 



