potassium and lead silicates
zinc and barium borosilicates
potassium and calcium silicates
sodium and calcium silicates
A. potassium and lead silicates
adrenalin
glucagon
epinephrin
thyroxin
sucrose
glucose
fructose
a mixture of glucose and fructose
number of neutrons in the nucleus
number of protons and neutrons in the nucleus
the valency of the element
number of protons in the nucleus
phosphorus pentaoxide
phosphorus trichloride
phosphorus trisulphide
phosphorus trioxide
dephlogisticated air
azote
inflammable air
marine acid air
Chloroform
Morphine
Streptomycin
Cocaine
Oxygen
Nitrogen
Hydrogen
Chlorine
a basic salt
an acid salt
a double salt
a normal salt
Lithium
Helium
Sodium
Cobalt
Carbon dioxide
Sulphur dioxide
Ammonia
Hydrogen
Aluminium
Chromium
Nickel
Tungsten
carbohydrates
carbides
hydrocarbons
carbonyls
quick lime
tincture iodine
rectified spirit
None of these
white lead
graphite
red lead
coke
fractional distillation
fractional crystallisation
sublimation
evaporation
ethyl alcohol
methyl alcohol
carbon monoxide
carbon dioxide
sodium nitrate
Potassium nitrate
sodium thiosulphate
ammonium chloride
streptomycin
terramycin
aureomycin
codein
Nitrogen
Phosphorus
Potassium
Mercury
loss of electrons
gain of electrons
gain of oxygen
removal of hydrogen
sodium bicarbonate
sodium carbonate
carbonic acid
sodium hydroxide
solid carbon dioxide
liquid oxygen
liquid hydrogen
liquid. Chlorine
glucose
fructose
sucrose
maltose
ten
twenty
zero
fifty
grams
pounds
carats
tons
rubbers
fibres
resins
sugars
Kerosene oil
Diesel oil
Lubricating oil
Petroleum ether
Lead
Tin
Silver
Gold
a very sweet smell
a very pungent smell
an irritating smell
no smell at all
Water
Alcohol
Carbon-di-sulphide
Sodium chloride solution