adrenalin
thyroxin
insulin
epinephrine
C. insulin
Lead
Tin
Zinc
Aluminium
shaking with caustic soda solution
shaking with water
fractional distillation of liquid air
passing air over heated magnesium
high temperature
light
moisture
dry air
Lavoisier
Priestley
Dalton
Avogadro
Europeans
Egyptians
Asians
Americans
Law of Multiple Proportions
Law of Definite Proportions
Law of Conservation of Mass
Law of Reciprocal Proportions
calcium sulphate
ammonium chloride
caustic soda
silver nitrate
Sodium
red phosphorus
white phosphorus
sulphur
acetic acid
oxalic acid
chromic acid
citric acid
Bronze
Brass
Solder
Gun metal
shaving creams
adhesive tapes
toilet powders
lubricants
ferric chloride
ferric sulphate
ferric thiocyanate
ferrous sulphate
terephthalic acid and ethylene glycol
hexamethylene diamine and adipic acid
cellulose nitrate
cellulose acetate
a basic salt
an acid salt
a double salt
a normal salt
acetone
ether
acetic acid
methyl salicylate
potassium
sodium
red phosphorus
white phosphorus
nickel
copper
sulphur
graphite
ammonia
ammonium nitrate
ammonium chloride
ammonium nitrite
Rodenticide
Herbicide
Pesticide
Fungicide
xenon
krypton
argon
helium
solid carbon dioxide
liquid oxygen
liquid hydrogen
liquid. Chlorine
rubbers
fibres
resins
sugars
sucrose
maltose
glucose
fructose
tuberculosis
cancer
typhoid
malaria
chlorine
carbon monoxide
sulphur dioxide
o-cresol
methyl alcohol and acetic acid
methyl alcohol and ethyl alcohol
ethyl alcohol and pyridine
methyl alcohol and pyridine
C6H12O6
C2H5OH
C12H22O11
C7H8O
CaO
Ca(OH)2
NaOH
Na2CO3
chlorination
boiling
adding caustic soda
ozonisation
Rutherford
Moseley
Niels Bohr
J.J. Thomson