solid carbon dioxide
liquid oxygen
liquid hydrogen
liquid. Chlorine
A. solid carbon dioxide
Gasoline
Kerosene
Sulphuric acid
Alcohol
wrought iron
steel
pig iron
nickel steel
an anaesthetic
a psychedelic drug
an antipyretic
an antibiotic
chlorination
boiling
adding caustic soda
ozonisation
adding milk of lime
filtering through sand
adding filter alum
chlorination
Dolomite
Magnetite
Bauxite
Anglesite
Aluminium
Chromium
Nickel
Tungsten
carbon dioxide
chloroform
carbon tetrachloride
bleaching powder
ammonium chloride
ammonium carbonate
ammonium sulphate
potassium nitrate
1 : 1
1 : 2
2 : 3
1 : 3
gypsum
urea
potassium nitrate
ammonium phosphate
xenon
krypton
argon
helium
high temperature
light
moisture
dry air
tongue inflammation
pellagra
night blindness
anaemia
benzene
methane
ethane
butane
as an analgesic
in the purification of water
as a fertilizer
as a disinfectant
Lead
Tin
Zinc
Aluminium
Law of Multiple Proportions
Law of Definite Proportions
Law of Conservation of Mass
Law of Reciprocal Proportions
increases the atomic mass of the atom
decreases the atomic mass of the atom
increases the charge on the nucleus
decreases the charge on the nucleus
copper and tin
aluminium and magnesium
copper and zinc
copper, tin and zinc
oxidise ammonia to nitrates
convert nitrogen into ammonia
oxidise ammonia to free nitrogen
oxidise ammonia to oxides of nitrogen
quick lime
tincture iodine
rectified spirit
None of these
hydrogen peroxide
silver nitrate
tincture iodine
m-cresol
lead
zinc
mercury
chromium
Oxygen
Air
Hydrogen
Chlorine
red phosphorus and oxygen
white phosphorus and oxygen
carbon monoxide and chlorine
carbon dioxide and chlorine
Carbon dioxide
Ammonia
Chlorine
Hydrogen sulphide
carbon monoxide
carbon dioxide
methane
phosgene
Thiokol
Drikold
Perhydrol
Mannitol
Moissan
Davy
Faraday
Marie Curie