Oxidation of naphthalene
Propylene alkylation of benzene
Polymerisation of a mixture of benzene & propylene
None of these
B. Propylene alkylation of benzene
Density difference
Wetting characteristics
Terminal velocities
None of these
Same as Dacron
A polyester
Both (A) & (B)
Neither (A) nor (B)
Called ester value
Always negative
Constant for all fatty oils
None of these
5
30
130
300
Red
Yellow
Violet
Black
Polyvinyl chloride (PVC)
Polybutadiene
Phenol formaldehyde
Polyurethane
Bromine
Magnesium compounds
Potassium compounds
Sodium sulphate
Anti-pyretic drug
Food preservative
Flavour
Dye
CaO
MnO2
ZnO
FeS
Washing soda
Soda ash
Slaked lime
Quicklime
Filtration
Boiling
Distillation
None of these
Carbon, hydrogen, nitrogen & sulphur
Carbon, ash, sulphur & nitrogen
Carbon, sulphur, volatile matter & ash
Carbon, volatile matter, ash & moisture
Less than
More than
Same
None of these
Crystallisation
Vacuum crystallisation
Atmospheric distillation
Dehydration
Amorphous isotropic material
Supercooled liquid
Material with sharp definite melting point
Electrical insulator
Phenol formaldehyde
An inorganic polymer
Poly tetra-fluoro-ethylene (P.T.F.E.)
A monomer
Silica
Dissolved oxygen
Suspended salt
Dissolved salt
Cement
Glass
Potteries
Caustic soda
0.14
0.34
0.94
1.4
Lower melting point & higher reactivity to oxygen
Higher melting point & higher reactivity to oxygen
Lower melting point & lower reactivity to oxygen
Higher melting point & lower reactivity to oxygen
Avoid mechanical weakening of fibre
Remove lignin by way of crystallisation
Increase the cellulose content
None of these
Iron oxide
Soda ash
Limestone
Silica
Steam reforming
Shift conversion
Steam gasification
None of these
Sand
Bauxite
Quicklime
Calcite
Benzene hexachloride
Alkyl benzene sulphonate
Polytetrafluoroethylene
Cellulose nitrate
10
25
50
98
Fatty alcohol
Alkyl benzene sulphonate (ABS)
Fatty acids
Methylene chloride
Polyamide
Thermosetting resin
Polyester
None of these
Act as an acidifying agent
Increase its concentration
Increase the amount of molasses
Increase the crystal size
Electrolysis
Electrolytic reduction
Electrolytic oxidation
None of these