45
70
95
99.5
C. 95
Phenol formaldehyde
An inorganic polymer
Poly tetra-fluoro-ethylene (P.T.F.E.)
A monomer
50
70
95
80
Crystallisation
Vacuum crystallisation
Atmospheric distillation
Dehydration
Antibiotic
Antiseptic
Disinfectant
None of these
Fat
Naphthalene
Cumene
Sucrose
Brine
Chloramines
Sodium bisulphite
Liquid chlorines
Blue vitriol
Plaster of Paris
Gypsum
Zeolite
Fatty acid
Fatty alcohols
Tallow
Detergents
Remove residual turbidity
Reduce the bacterial load on filter
Control taste and odour
Remove chlorinous taste
Chromium
Arsenic
Copper
Manganese
n-butene
Benzene
Either (A) or (B)
Neither (A) nor (B)
Produces high density polyethylene
Produces low density polyethylene
Uses no catalyst
Employs very high pressure
Phenol
Naphthalene
Benzene
Pyridine
Neoprene
Cumene
Gelatin
Mercaptans
Water hating
Soil loving
Water loving
None of these
Impart flexibility
Improve workability during fabrication
Develop new improved properties not present in the original resins
All (A), (B) and (C)
Benzene hexachloride
Alkyl benzene sulphonate
Polytetrafluoroethylene
Cellulose nitrate
Increase the rate of absorption
Avoid corrosion
Reduce the cooling water circulation rate
None of these
Electromagnetic separation
Froth floatation
Roasting
None of these
Steam distillation
Extractive distillation
Solvent extraction
Leaching
As a starting material for 'hypo'
In photographic industry
As rocket fuel
In printing industry
Carbonating tower
Ammonia recovery
Ammonia recovery and size of the plant
Ammoniation of salt solution
From waste sulphite substrate of paper mills
By Esterification and hydrolysis of ethylene
From molasses
None of these
Activated clay
Bromine
Chlorine or chlorine dioxide
Magnesium sulphite
Average degree of polymerisation of the polymer is 1966
Number of carbon atoms between two nitrogen atoms are 6
Number of nitrogen atoms between two carbon atoms are 6
Polymer was first synthesised in 1966
Flint
Pyrex
Quartz
All (A), (B) & (C)
Hydration
Inversion
Esterification
None of these
Sintering
Annealing
Shaping or forming
Melting
Lead
Cement
Carbon disulphide
None of these
Less susceptible to chemical attack by molten fluxes and gases etc
Very strong
Having very high thermal conductivity
None of these