mercaptans
propylene
carbon disulphide
phosgene
A. mercaptans
A - Z
A + Z
Z
A
Sir Ronald Ross
Sir Francis Haig
Dr Jagadish Chandra Bose
Sir CV Raman
TW Richards
FW Aston
Stas
Urey
Aluminium
Copper
Zinc
Iron
urea
ammonium nitrate
ammonium sulphate
calcium cyanamide
hydration
dehydration
dialysis
osmosis
1 and 3
2 and 3
1, 2 and 4
1, 2, 3 and 4
calcium carbonate
magnesium bicarbonate
calcium sulphate
magnesium sulphate
Bronze
Brass
Solder
Gun metal
ferric chloride
ferric sulphate
ferric thiocyanate
ferrous sulphate
1 : 1
1 : 2
2 : 3
1 : 3
phosphorus pentaoxide
phosphorus trichloride
phosphorus trisulphide
phosphorus trioxide
iodoform
chloroform
nitrous oxide-ether mixture
chloroform-nitrous oxide mixture
Sedimentation
Electrophoresis
Tyndall effect
Brownian movement
dichloro-phenoxy-acetic acid
superphosphate of lime
chlorofluorocarbons (CFC)
dichloro-diphenyl-trichloro-ethane
oxalic acid
citric acid
acetic acid
hydrochloric acid
acetic acid
chloroform
urea
methane
proteins
carbohydrates
tannins
lipids
charcoal
bleaching powder
chlorine
carbolic acid
an anaesthetic
a psychedelic drug
an antipyretic
an antibiotic
Wohler
Dalton
Lavoisier
Fischer
wrought iron
steel
pig iron
nickel steel
lead
chromium
zinc
tin
Gasoline
Benzoline
Kerosene
Petroleum ether
manganese
vanadium
nickel
chromium
CaO
Ca(OH)2
NaOH
Na2CO3
phenol
TNT
picric acid
iodoform
as a nucleus to condense water vapour resulting in rain
to maintain the average density of air
to minimise the inflammatory nature of oxygen
to protect the inhabitants of the earth from the effects of ultra violet rays.
Oxygen
Air
Hydrogen
Chlorine
lead chloride
mercurous chloride
mercuric chloride
calcium sulphate