Chemical Process Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is All of these A slow reaction A discontinuous reaction (requiring regeneration of iron by water gas intermittently) Still in development stage (by employing fluidised bed technique) All of these A slow reaction A discontinuous reaction (requiring regeneration of iron by water gas intermittently) Still in development stage (by employing fluidised bed technique) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process A mineral is termed as 'ore', if The metal present in it is costly All of these It contains ≥ 40% metal A metal can be economically extracted from it The metal present in it is costly All of these It contains ≥ 40% metal A metal can be economically extracted from it ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Antibiotic Is an anaesthetic Is an antimalarial Is used as a pain reliever Inhibits/destroys the growth of microorganisms Is an anaesthetic Is an antimalarial Is used as a pain reliever Inhibits/destroys the growth of microorganisms ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Mercury cells for caustic soda manufacture, compared to diaphragm cells Require more power None of these Produce lower concentration NaOH Require lower initial investment Require more power None of these Produce lower concentration NaOH Require lower initial investment ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Flux addition during smelting of ore is done to Separate slag from metal Enhance rate of reaction Remove impurities/gangue Accelerate reduction of ore Separate slag from metal Enhance rate of reaction Remove impurities/gangue Accelerate reduction of ore ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at 5 atm & 275°C 1 atm & 100°C 50 atm & 1000°C 100 atm & 500°C 5 atm & 275°C 1 atm & 100°C 50 atm & 1000°C 100 atm & 500°C ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS