as an analgesic
in the purification of water
as a fertilizer
as a disinfectant
B. in the purification of water
Gasoline
Benzoline
Kerosene
Petroleum ether
as an analgesic
in the purification of water
as a fertilizer
as a disinfectant
Aluminium
Copper
Zinc
Iron
ethyl alcohol
chloroform
oxygen
methyl alcohol
as a drying agent
as a refrigerant
as an antiseptic
as a bleaching agent
cryolite
bauxite
malachite
azurite
ammonium dichromate
copper Sulphate
magnesium Sulphate
sodium thiosulphate
nitrogen
nitric oxide
nitrogen peroxide
nitrous oxide
Goodyear
Wohler
Baeyer
Perkin
chlorine
nitrogen
sulphur
hydrogen
gold
zinc
tin
molybdenum
hydration
dehydration
dialysis
osmosis
It must be free from suspended impurities
It must be free from harmful bacteria
It must contain traces of sodium bicarbonate
It must have a fishy odour
Limestone
FeO
SiO2
MgO
rubbers
fibres
resins
sugars
cutting off supply of oxygen
it™s being converted into carbon dioxide
its combination with haemoglobin of blood
its blocking of vocal chords
galena
dolomite
sylvine
pitchblende
ferric chloride
ferric sulphate
ferric thiocyanate
ferrous sulphate
brimstone and silica
limestone and clay
brimstone and clay
brimstone and limestone
acetone
ether
ethyl alcohol
methyl alcohol
Polyethylene
Nylon
Terylene
Rayon
benzene
methane
ethane
butane
acetamide phenol
malonyl urea
aminosalicylic acid
acetyl salicylic acid
Hydrolysis
Hydrogenation
Dehydration
Dehydrogenation
methane
nitrogen
carbondioxide
ethylene
nervous disorders
heart diseases
anaemia
impairment of vision
German silver
solder
magnalium
bell metal
Water
Alcohol
Carbon-di-sulphide
Sodium chloride solution
chlorine
mercury
water
iodine
hydrochloric acid
citric acid
tartaric acid
acetic acid