18%
53%
65%
84%
Boiling of water of naphthalene
Change of milk into curd
Melting of ice
Evaporation of water
Glass wool
Safety glass
Flint glass
Optical fibre
Sodium bicarbonate and tartaric acid
Sodium carbonate and tartaric acid
Sodium carbonate and common salt
Sodium bicarbonate and common salt
Filtration
Evaporation
Distillation
Decantation
Nickel sulphate
Cobalt sulphate
Copper sulphate
Aluminum sulphate
Sodium
Chromium
Vanadium
Mercury
Aliphatic hydrocarbons
Aromatic hydrocarbons
Alicyclic hydrocarbons
Saturated hydrocarbons
Iron, carbon and nickel
Iron and manganese
Iron, chromium and nickel
Iron, chromium and zinc
Hydration
Dehydration
Efflorescence
Hardening