Not a fumigant
BHC (Benzene Hexachloride) containing 99% γ-isomer
A by-product of BHC manufacture
Both (B) and (C)
B. BHC (Benzene Hexachloride) containing 99% γ-isomer
10
25
50
98
Continuous
Aerobic batch
Anaerobic batch
None of these
Alumina
Gypsum
Bauxite
Ammonium bicarbonate
Oxidation of naphthalene
Oxidation of benzene
Dehydrogenation of ethyl benzene
None of these
Avoid mechanical weakening of fibre
Remove lignin by way of crystallisation
Increase the cellulose content
None of these
7-14 and 14-30
7-14 and 40-50
14 - 30 and 40-50
10 - 20 and 40 - 50
Sulphuric acid
Phosphoric acid
Hydrochloric acid
Hydrofluoric acid
Binding material for coal briquettes
Fuel in rotary kiln
Binder in making carbon electrodes
All (A), (B) and (C)
A slow reaction
A discontinuous reaction (requiring regeneration of iron by water gas intermittently)
Still in development stage (by employing fluidised bed technique)
All (A), (B) and (C)
Jena
Flint
Crookes
Pyrex
Extrusion
Mastication
Calendaring
Vulcanisation
Sand
Bauxite
Quicklime
Calcite
Dehydration
Reduction
Oxidation
Polymerisation
Quicklime
Slaked lime
Milk of lime
None of these
Oxidation of Na+ ions
Oxidation of Cl- ions
Reduction of Na+ ions
Reduction of Cl- ions
Exothermic
Endothermic
Not possible
None of these
Sulphate
Carbonate
Hydroxide
Bi-carbonate
Ethyl benzene
Ethylene oxide
Ethanol
Ethane
H2, & CH4
CO, & CO2
H2, & CO
CH4, & CO
Catalytic cracking
Catalytic dehydrogenation
Pyrolysis
Hydrocracking
Endothermic
Autocatalytic
Exothermic
Homogenous
White
Black
Yellow
Blue
Glycerine
Salt petre
Nitro glycerine
Dynamite
Azoic dyes are mostly applied on cotton fabrics
Basic dyes (e.g. amino derivatives) are applied mostly to paper
Mordant dyes are applied mainly to wools
None of these
Chromium
Arsenic
Copper
Manganese
2000
700
1100
< 500
Coking coals cannot be used
Low carbon conversion efficiency is achieved
Entrainment of solids is higher
Large quantity of coal can be processed
CaCO3
MgCO3
K2CO3
Na2CO3
Bakelite
Teflon
Perspex
Nylon-6
Coke
Ammonia
Tar
Phenol