A - Z
A + Z
Z
A
streptomycin
terramycin
aureomycin
codein
ferric chloride
ferric sulphate
ferric thiocyanate
ferrous sulphate
animal charcoal
coal
wood charcoal
sugar charcoal
nitrogen
nitrous oxide
nitric oxide
nitrogen peroxide
shaking with caustic soda solution
shaking with water
fractional distillation of liquid air
passing air over heated magnesium
Radon
Astatine
Cesium
Ruthenium
potassium
sodium
red phosphorus
white phosphorus
oxalic acid
citric acid
acetic acid
hydrochloric acid
pyridine
hydrogen sulphide
cacodyl
carbylamines
Bronze
Brass
Solder
Gun metal
its molecular weight is low
it is denser than ice
it is a good solvent for many ionic substances
the molecules of water are joined by hydrogen bonds
Distillation of water
Action of heat on potassium chlorate
Powdering of glass
Burning of an electric lamp
calcium carbonate
calcium bicarbonate
magnesium sulphate
calcium sulphate
Europeans
Egyptians
Asians
Americans
zinc
red phosphorus
magnesium
sulphur
rubbers
fibres
resins
sugars
hydrogen peroxide
silver nitrate
tincture iodine
m-cresol
nervous disorders
heart diseases
anaemia
impairment of vision
ten
twenty
zero
fifty
TW Richards
FW Aston
Stas
Urey
magnetic oxide of iron
ferric oxide
ferrous oxide
ferrous carbonate
ammonium chloride
ammonium carbonate
ammonium sulphate
potassium nitrate
manganese
copper
potassium
plumbum
homogeneous, sulphates
heterogeneous, nitrates
heterogeneous, carbonates
homogeneous, silicates
oxidise ammonia to nitrates
convert nitrogen into ammonia
oxidise ammonia to free nitrogen
oxidise ammonia to oxides of nitrogen
adrenalin
glucagon
epinephrin
thyroxin
ethyl alcohol
methyl alcohol
carbon monoxide
carbon dioxide
stearic acid
sodium hydroxide
palmitic acid
glycerol
Limestone
FeO
SiO2
MgO