Dehydrate it
Sinter the ore
Remove CO2 & H2O
Remove arsenic & sulphur
D. Remove arsenic & sulphur
Formaldehyde
Phenol
Acetone
Maleic anhydride
Zinc
Nickel
Platinum
Copper
Pasteurisation of milk involves moderate heating followed by cooling
Bakeries and breweries make use of yeasts
Enzyme is a complex nitrogenous compound
Oils and fats are alkaloids
Naphthalene
Benzene
Toluene
Aniline
As a rocket fuel
In water treatment
As a disinfectant
As fire retardant
Bleaching powder
Slaked lime
Alum
Copper sulphate
Endothermic
Exothermic
Irreversible
Both (B) and (C)
Thermosetting
Thermoplastic
Fibrous
Chemically active
Caustic soda
Soda ash
Caustic potash
Soda lime
Soda-lime
Fibre
Lead
Borosilicate
Blue vitriol
Gypsum
Calcium silicate
Calcium sulphate
Soap from lye
Glycerine from lye
The metallic soap
The unsaponified fat from soap
Chromium
Arsenic
Copper
Manganese
Impart resistance to penetration by liquids
Increase its thickness
Increase its flexibility & opacity
Increase its brightness
Radiation
Supported metal oxide catalysts
Ziegler catalysts
All (A), (B) & (C)
Cutting and welding by oxy-acetylene flame
Hospitals for medicinal purposes
Gas masks and artificial breathing apparatus
All (A), (B), and (C)
Low fusion point of ash
High ash content
High sulphur content
None of these
-83
-183
-196
-218
Hydrogenation
Oxidation
Hydrolysis
Hydrocracking
Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures
Reduces sulphate ions to sulphides causing obnoxious smell
Increases the quantity of chlorine used for its purification
All (A), (B) and (C)
Sand
Bauxite
Quicklime
Calcite
Cyclo trimethylene trinitramine
Trinitro resorcinol
Cyclo tetramethylene tetranitramine
Trinitrobenzene
Sedimentation
Coagulation
Disinfection
Softening
White
Black
Yellow
Red
Blue vitriol
Plaster of Paris
Gypsum
Zeolite
Depithing
Digestion
Bleaching
None of these
Bicarbonates & sulphates of calcium and magnesium
Undesirable taste and odour
Bacteria
Its corrosiveness
Copper sulphate
Ferrous sulphate
Copper nitrate
Aluminium sulphate
Plaster of Paris
Salt cake
Nitre cake
Lime
Chamber process of sulphuric acid manufacture produces pure acid of concentration < 80%
Contact process of sulphuric acid manufacture produces pure acid of concentration ≥ 98%
75% oleum can be produced by distillation of 20% oleum
Contact process of sulphuric acid manufacture uses nickel as the catalyst