Gasoline
Benzoline
Kerosene
Petroleum ether
C. Kerosene
Oxygen
Air
Hydrogen
Chlorine
Bronze
Brass
Solder
Gun metal
Silicon
Oxygen
Carbon
Calcium
adding milk of lime
filtering through sand
adding filter alum
chlorination
Thiokol
Drikold
Perhydrol
Mannitol
ammonia
ammonium nitrate
ammonium chloride
ammonium nitrite
A mixture of potassium nitrate and carbon
A mixture of ammonium chloride and sodium nitrate
A mixture of potassium chlorate and manganese dioxide
A mixture of ammonium nitrate and charcoal
Gasoline
Benzoline
Kerosene
Petroleum ether
as a drying agent
as a refrigerant
as an antiseptic
as a bleaching agent
chlorine
carbon monoxide
sulphur dioxide
o-cresol
charcoal
bleaching powder
chlorine
carbolic acid
gold
zinc
tin
molybdenum
Gasoline
Kerosene
Sulphuric acid
Alcohol
phosphorus pentaoxide
phosphorus trichloride
phosphorus trisulphide
phosphorus trioxide
Alexander Fleming
Sir JJ Thomson
Dr Nessler
Sir John Russel
iron with zinc
zinc with iron
copper with silver
silver with gold
sodium bicarbonate
sodium carbonate
carbonic acid
sodium hydroxide
stearic acid
sodium hydroxide
palmitic acid
glycerol
ethyl alcohol
chloroform
oxygen
methyl alcohol
gypsum
urea
potassium nitrate
ammonium phosphate
a carbohydrate
a protein
a lipid
a hormone
nitrogen
nitric oxide
nitrogen peroxide
nitrous oxide
Carbon dioxide
Sulphur dioxide
Ammonia
Hydrogen
glucose
fructose
sucrose
maltose
Polyethylene
Nylon
Terylene
Rayon
a deliquescent substance
an efflorescent substance
a hygroscopic substance
a dehydrating substance
tungsten
nickel
manganese
chromium
1 and 3
2 and 3
1, 2 and 4
1, 2, 3 and 4
the initial showers wash the atmosphere free from most of the impurities
it contains desirable salts like sodium chloride and ammonium nitrate
it dissolves the gases in the atmosphere like ozone which are good for health in small quantities
it is supposed to be 'heaven sent'
nickel
aluminium
mercury
calcium