INDEX 



181 



Physical change, 87. 



Pipette, 18. 



Plastic sulphur, 106, 107. 



Platinum, 110. 



Potash, caustic, 149. 



Potassium chlorate, 127, 128. 



Potassium hydroxide, 149. 



Pressure, of atmosphere, 61-65 ; of 



gases, 66-69. 

 Prism, volume of, 20. 



Reaumur scale, 82. 

 Red lead, 109 ; gas produced by 

 heating, 125. 



Sal ammoniac, 99. 



Salt, common, 108, 144. 



Salt gas, 144, 145. 



Saltpetre, 100. 



Salts, 159-161. 



Sand, 94. 



Saturated solution, 101. 



Soda, washing, 99 ; caustic, 149. 



Sodium hydroxide, 148. 



Solids, properties of, 2. 



Solubility, 90, 95 ; to find, 101. 



Spirits of salt, 144, 14.",. 



Still, 117. 



Sublimation, 99. 



Sulphur, 105-107 ; combustion of, 

 129 ; varieties of, 106 ; melting 

 point of, 107 ; oxide of, 129, 

 131. 



Sulphuric acid, 142-143. 



Taste, 89. 



Temperature, measurement of, 75- 



77. 



Thermometers, 77-83. 

 Tin, 109. 

 Tracing wheel, 7. 

 Triangle, area of, 14. 



Vitriol, blue, 98 ; green, 99, 142 ; 



oil of, 142-143. 

 Volume, units of, 17 ; of prism, 20 ; 



of cylinder, 20. 



Water, tests for, 97 ; purification 



of, 115, 117. 



composition of, 156-157 ; of cry- 

 stallisation, 98. 



Water bath, 101. 



Weight, 27. 



Wood, 103, 104. 



I riSTKIi AT THE UNIVERSITY PKE38 BY KOBKRT MACLEFIOSE AND CO. I TD. 



