Chemical Process Essential oils are usually obtained using Steam distillation Leaching Extractive distillation Solvent extraction Steam distillation Leaching Extractive distillation Solvent extraction ANSWER DOWNLOAD EXAMIANS APP
Chemical Process How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln? 1500°C 1000°C 500°C 750°C 1500°C 1000°C 500°C 750°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is A discontinuous reaction (requiring regeneration of iron by water gas intermittently) All of these Still in development stage (by employing fluidised bed technique) A slow reaction A discontinuous reaction (requiring regeneration of iron by water gas intermittently) All of these Still in development stage (by employing fluidised bed technique) A slow reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Process H₂S is scrubbed from refinery gases by absorption using Chilled water Ethanol amine Tri-butyl phosphate Dilute H₂SO₄ Chilled water Ethanol amine Tri-butyl phosphate Dilute H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as It decomposes on further increasing the temperature Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced) It is very corrosive at elevated temperature None of these It decomposes on further increasing the temperature Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced) It is very corrosive at elevated temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main constituents of portland cement are calcium aluminate and Gypsum Sodium silicate Carbonates Silicates Gypsum Sodium silicate Carbonates Silicates ANSWER DOWNLOAD EXAMIANS APP