Drying
Semi-drying
Non-drying
None of these
C. Non-drying
Air
Water
Nitrogen
Helium
Carbon
Arsenic
Lead
Sulphur
Before filtration, reduces the bacterial load on filters
After filtration, combats the corrosiveness of water due to the presence of O2 & CO2
Is to adjust the pH value
All (A), (B) and (C)
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
Benzoic acid
Phenol and acetone
Isoprene
Styrene
FeSO4
PbO
CaO
NaOH
Cannot be made from sulphite pulp
Utilises H2SO4, NaOH and CS2 during its manufacture
Cannot yield textile grade fibre
None of these
Cyclo trimethylene trinitramine
Trinitro resorcinol
Cyclo tetramethylene tetranitramine
Trinitrobenzene
Methyl alcohol
Ethyl alcohol
Benzol
Dimethyl ether
Soap from lye
Glycerine from lye
The metallic soap
The unsaponified fat from soap
15
35
55
70
Citric acid
Invertage
Benzoyl peroxide
Ammonium chloride
Is prone to thermal decomposition
Has high water solubility and is unstable
Is soluble in ammonium chloride and potassium chloride solution
All (A), (B) and (C)
Styrene
Phenol
Phthalic anhydride
None of these
Oxidation of Na+ ions
Oxidation of Cl- ions
Reduction of Na+ ions
Reduction of Cl- ions
Cellulose nitrate
Regenerated cellulose nitrate
Cellulose acetate
Regenerated cellulose acetate
Freeze drying
Electrolytic
Solar evaporation
Vacuum evaporation
Metals
Alloys
Refractories
Non-metals
To produce benzene
To produce phenol formaldehyde
To produce polyester resin
As a plasticiser for unsaturated polyester
Na2CO3
Na2CO3.H2O
Na2CO3.10H2O
NaHCO3
Phenol formaldehyde
An inorganic polymer
Poly tetra-fluoro-ethylene (P.T.F.E.)
A monomer
1 to 5
5 to 10
15 to 20
20 to 30
Continuous
Aerobic batch
Anaerobic batch
None of these
Less changes in fluidity of oil with temperature
Substantially high change in fluidity of oil with temperature
Its unsuitability under varying temperature conditions
None of these
ZnO
Ni
V2O5
FeO
Na2CO3
NaHCO3
Na2CO3.H2O
Na2CO3.10H2O
15-30
90-100
250-300
< 0
Film forming materials
Plasticisers
Diluents
Solvents
Same as Polytetrafluoroethylene (PTFE)
An inorganic polymer
Same as thermosetting phenol-formaldehyde
Not a polymer
Molasses
Benzol
Methylated spirit
None of these