Exothermic
Endothermic
Not possible
None of these
A. Exothermic
Bakelite
Pumice
Corundum
Carborundum
Fluorine
Chlorine
Bromine
Iodine
Iron-steam reaction
Electrolysis of water
Steam reforming of naphtha
Its cryogenic separation from coke oven gas
SO3 and 80kg of H2SO4
H2SO4 and 80kg of SO3
SO3 for each 100 kg of H2SO4
None of these
Can be repeatedly melted
Is useful for melt casting
Cannot be melted after forming
Is useful for spinning
Caprolactam
Hexamethylene diamine and adipic acid
Hexamethylene diamine and Maleic anhydride
Hexamethylene diamine and Sebacic acid
Exothermic
Endothermic
Not possible
None of these
-83
-183
-196
-218
Bacterial growth
Taste and odour
Turbidity
None of these
Has low free fatty acid content
Is odourless
Both (A) & (B)
Neither (A) nor (B)
Better heat & acid resistant properties
Poorer resistance to alkalis
Poorer dyeability
All (A), (B) and (C)
Kill insects, when they eat it
Emit poisonous vapour
Are absorbed throughout the plant
None of these
Cellulose acetate
Regenerated cellulose
Cellulose nitrate
Cellulose acetate butyrate
Thermosetting
Thermoplastic
Fibrous
Chemically active
Continuous
Aerobic batch
Anaerobic batch
None of these
Cutting and welding by oxy-acetylene flame
Hospitals for medicinal purposes
Gas masks and artificial breathing apparatus
All (A), (B), and (C)
Sulphur
Charcoal
Potassium nitrate
All (A), (B), & (C)
Minimises its turbidity
Helps in controlling its taste and odour
Minimises its corrosiveness
None of these
Distillation
Dehydration
Dehydrogenation
None of these
It does not react with water
It is poisonous
Its kindling temperature in dry air is very low
It is unstable
Poorer tensile strength
Poorer resistance to oxidation
Greater amount of heat build-up under heavy loading
All (A), (B) and (C)
Polyurethane
Phenol formaldehyde
Polychlorophrene
Styrene-butadiene rubber
Density ranges
Physical state
Chemical composition
Chemical properties
Phosphate rock with phosphoric acid
Phosphate rock with sulphuric acid
Phosphate rock with nitric acid
Ammonium phosphate with phosphoric acid
L.D. converter
Blast furnace
Rotary kiln
Recuperator
Exothermic
Endothermic
Catalytic
Autocatalytic
C+ ½O2 = CO
CO + 3H2 = CH4 + H2O
CaCO3 = CaO + CO2
CO + ½O2 = CO2
As a plasticiser for unsaturated polyester
In the manufacture of synthetic rubber
As an anti-skinning agent in paint
None of these
Ethyl benzene
Ethylene oxide
Ethanol
Ethane
Essential oil
Extract from medicinal herbs
Mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses).
None of these