SO3 gas is sparingly soluble in water
Water forms an acid mist, which is difficult to absorb
The purity of acid is affected
Scale formation in the absorber is to be avoided
B. Water forms an acid mist, which is difficult to absorb
Prevent redeposition of soil on cleaned surface
Act as optical brightening agent
Inhibit corrosion in washing machines made of aluminium
None of these
Trichloroethylene
Perchloroethylene
Parathion
Methanol
Controlling timber degradation by ants
Controlling poultry lice
Potato beetle
Citrus fruits
CaCO3
ZnO
Al2O3
Fe
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)
Not a fumigant
BHC (Benzene Hexachloride) containing 99% γ-isomer
A by-product of BHC manufacture
Both (B) and (C)
Cement
Lime from limestone
Slaked lime from quick lime
None of these
Pesticides
Plasticisers for unsaturated polyesters
Pain-relieving drugs (analgesic)
Tranquilisers
Preferred over contact process for producing 98 to 100% H2SO4 and various oleums
Non-catalytic and operates only on pyrites
A batch process for directly producing high strength (98 to 100%) H2SO4
None of these
Bicarbonates & sulphates of calcium and magnesium
Undesirable taste and odour
Bacteria
Its corrosiveness
CaCO3
MgCO3
Na2CO3
CaSO4
NaOH
H2SO4
Hydrazine
Alum solution
Na2SO4.10H2O
CaCl(OCl)
CaSO4.H2O
(NH4)2SO4
C+ ½O2 = CO
CO + 3H2 = CH4 + H2O
CaCO3 = CaO + CO2
CO + ½O2 = CO2
Hard
Soft
Metallic
Lubricating
800
1600
4000
8500
Avoid its decomposition
Prevent sulphonation of the monochlorobenzene by the acid catalyst
Achieve non-hygroscopic property
None of these
Improve its resistance to rancid oxidation
Raise its melting point
Remove double bonds
None of these
Extrusion
Mastication
Calendaring
Vulcanisation
1 atm & 100°C
5 atm & 275°C
100 atm & 500°C
50 atm & 1000°C
A metal can be economically extracted from it
It contains ≥ 40% metal
The metal present in it is costly
All (A), (B) and (C)
Hydrogenation
Esterification
Saponification
None of these
Diaphragm electrolytic cell process
Mercury electrolytic cell process
Lime-soda process
None of these
Resistance to the action of organic solvent
Tackiness
Maximum service temperature
Tensile strength
Merely compression of gas beyond its critical pressure
Joule-Thomson expansion cooling
Heat exchange with colder stream
Adiabatic expansion against a piston or in a turbine
Activated carbon
Diatomaceous earth
Bauxite
Bentonite
Oxidising
Reducing
Complex forming
Photochemical
Mixture of glycerides
Mixture of esters of polyhydric alcohols excepting glycerine
Liquid at room temperature
Mixture of glycerides of fatty acids
Making oxygen
Producing helium
Mining sulphur
Making nitrogen
Phthalic anhydride
Vinyl chloride
Maleic anhydride
Dacron