Chemical
Biochemical
Photochemical
Electrochemical
B. Biochemical
Electromagnetic separation mainly
Gravity separation
Froth floatation
Roasting
Explosive
Soap
Detergent
Analgesic drug
Glauber's salt
Common salt
Chlorine
Graphite electrode
Exchange of heat with colder stream
Adiabatic expansion through a throttle valve (Joule-Thomson expansion)
Adiabatic expansion against a piston or in a turbine
Merely compressing the gas beyond its critical pressure
Diamine and the ring
Dibasic acid and the ring
Diamine and the dibasic acid
None of these
Not a fumigant
BHC (Benzene Hexachloride) containing 99% γ-isomer
A by-product of BHC manufacture
Both (B) and (C)
NH3
NaCl
CaO
Coke
1 - 2
15 - 20
50 - 60
80 - 85
10
20
50
85
Mainly CaO
Subjected to galvanising
A super cooled liquid
All (A), (B) and (C)
15
35
55
70
Carbon, hydrogen, nitrogen & sulphur
Carbon, ash, sulphur & nitrogen
Carbon, sulphur, volatile matter & ash
Carbon, volatile matter, ash & moisture
Polyvinyl chloride (PVC)
Polybutadiene
Phenol formaldehyde
Polyurethane
Has larger production capacity per unit cell
Consumes less power per ton of Cl2 produced
Produces high purity (70%) caustic soda directly
All (A), (B) and (C)
High cost of mercury
High specific gravity of mercury
Non-availability of high purity mercury
Pollution of water stream by mercury
Storage & shipment of frozen foods and ice-creams
Liquefaction of permanent gases
Liquefaction of natural gas
None of these
Drying
Semi-drying
Non-drying
None of these
Neoprene
Cumene
Gelatin
Mercaptans
Copper
Lead
Tin
Iron
Na2SO4.10H2O
CaCl(OCl)
CaSO4.H2O
(NH4)2SO4
Sedimentation
Coagulation
Disinfection
Softening
Increasing the oxygen concentration
Putting more quantity of V2O5 catalyst in the converter
Removing some quantity of SO3 during intermediate stage
Maintaining low temperature & pressure in the converter
Making oxygen
Producing helium
Mining sulphur
Making nitrogen
Refractory material
Synthetic resin
Artificial abrasive
Blue pigment
Remove residual turbidity
Reduce the bacterial load on filter
Control taste and odour
Remove chlorinous taste
Xanthates
Stearic acid
Calcium & aluminium stearate
Formic acid
Alum
Washing soda
Soda ash
Calcium carbide
Phosgene
Calcium hypochlorite
Chlorine
Ammonium chloride
Quick lime
Glauber's salt
Salt petre
Bromine
Final rolling out of paper
Cutting of fibres
Hydration of fibres
Fibrillation of fibre