dehydration
oxidation
reduction
dehydrogenation
a definite shape but not volume
a definite volume and shape
a definite volume but not shape
neither definite volume nor shape
charcoal
bleaching powder
chlorine
carbolic acid
red phosphorus and oxygen
white phosphorus and oxygen
carbon monoxide and chlorine
carbon dioxide and chlorine
sodium bicarbonate
sodium carbonate
carbonic acid
sodium hydroxide
nickel
aluminium
mercury
calcium
A - Z
A + Z
Z
A
Tungsten steel
Manganese steel
Chromium steel
Nickel steel
iron with very low percentage of carbon
iron with high percentage of carbon
iron and chromium
iron and manganese
Fe and C
Mn and C
Fe and Mn
Fe, Mn and C
coal gas
producer gas
water gas
gobar gas
Hydrogen Sulphide
Nitrogen
Carbon-di-oxide
Oxygen
tuberculosis
cancer
typhoid
malaria
Dolomite
Magnetite
Bauxite
Anglesite
carbohydrates
proteins
salts
fats
Lead
Tin
Silver
Gold
shaking with caustic soda solution
shaking with water
fractional distillation of liquid air
passing air over heated magnesium
cutting off supply of oxygen
it™s being converted into carbon dioxide
its combination with haemoglobin of blood
its blocking of vocal chords
Lithium
Helium
Sodium
Cobalt
sulphur
phosphorus
iodine
bromine
lead
zinc
mercury
chromium
Oxygen
Air
Hydrogen
Chlorine
gypsum
urea
potassium nitrate
ammonium phosphate
ammonium chloride
ammonium carbonate
ammonium sulphate
potassium nitrate
Gasoline
Kerosene
Sulphuric acid
Alcohol
chlorination
boiling
adding caustic soda
ozonisation
rain water
river water
conductivity water
deep well water
sucrose
glucose
fructose
a mixture of glucose and fructose
ammonia
ammonium nitrate
ammonium chloride
ammonium nitrite
acetic acid
oxalic acid
chromic acid
citric acid