Chemical Process Absorption of SO₃ in 97% H₂SO₄ is Exothermic Not possible Endothermic None of these Exothermic Not possible Endothermic None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Black liquor is converted into white liquor by Extractive distillation Evaporation and burning the concentrate followed by causticisation of products Selective liquid extraction Multi-effect evaporation only Extractive distillation Evaporation and burning the concentrate followed by causticisation of products Selective liquid extraction Multi-effect evaporation only ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following, when pyrolysed, produces perchloro-ethylene? Chlorobenzene Ethylene dichloride Chlorinated paraffin Carbon tetrachloride Chlorobenzene Ethylene dichloride Chlorinated paraffin Carbon tetrachloride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Raw materials used for producing __________ cement does not contain iron oxide. Pozzolan Slag Waterproof White Pozzolan Slag Waterproof White ANSWER DOWNLOAD EXAMIANS APP
Chemical Process High temperature carbonisation of coal takes place at __________ °C. 700 2000 1100 < 500 700 2000 1100 < 500 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 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 A discontinuous reaction (requiring regeneration of iron by water gas intermittently) All of these Still in development stage (by employing fluidised bed technique) ANSWER DOWNLOAD EXAMIANS APP
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